388479840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 288

約数和(自身を含む): 1447891200

約数和(自身を除く): 1059411360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 83, 84, 96, 98, 105, 112, 120, 140, 147, 160, 166, 168, 196, 199, 210, 224, 240, 245, 249, 280, 294, 332, 336, 392, 398, 415, 420, 480, 490, 498, 560, 581, 588, 597, 664, 672, 735, 784, 796, 830, 840, 980, 995, 996, 1120, 1162, 1176, 1194, 1245, 1328, 1393, 1470, 1568, 1592, 1660, 1680, 1743, 1960, 1990, 1992, 2324, 2352, 2388, 2490, 2656, 2786, 2905, 2940, 2985, 3184, 3320, 3360, 3486, 3920, 3980, 3984, 4067, 4179, 4648, 4704, 4776, 4980, 5572, 5810, 5880, 5970, 6368, 6640, 6965, 6972, 7840, 7960, 7968, 8134, 8358, 8715, 9296, 9552, 9751, 9960, 11144, 11620, 11760, 11940, 12201, 13280, 13930, 13944, 15920, 16268, 16517, 16716, 17430, 18592, 19104, 19502, 19920, 20335, 20895, 22288, 23240, 23520, 23880, 24402, 27860, 27888, 29253, 31840, 32536, 33034, 33432, 34860, 39004, 39840, 40670, 41790, 44576, 46480, 47760, 48755, 48804, 49551, 55720, 55776, 58506, 61005, 65072, 66068, 66864, 69720, 78008, 81340, 82585, 83580, 92960, 95520, 97510, 97608, 99102, 111440, 115619, 117012, 122010, 130144, 132136, 133728, 139440, 146265, 156016, 162680, 165170, 167160, 195020, 195216, 198204, 222880, 231238, 234024, 244020, 247755, 264272, 278880, 292530, 312032, 325360, 330340, 334320, 346857, 390040, 390432, 396408, 462476, 468048, 488040, 495510, 528544, 578095, 585060, 650720, 660680, 668640, 693714, 780080, 792816, 809333, 924952, 936096, 976080, 991020, 1156190, 1170120, 1321360, 1387428, 1560160, 1585632, 1618666, 1734285, 1849904, 1952160, 1982040, 2312380, 2340240, 2427999, 2642720, 2774856, 3237332, 3468570, 3699808, 3964080, 4046665, 4624760, 4680480, 4855998, 5549712, 6474664, 6937140, 7928160, 8093330, 9249520, 9711996, 11099424, 12139995, 12949328, 13874280, 16186660, 18499040, 19423992, 24279990, 25898656, 27748560, 32373320, 38847984, 48559980, 55497120, 64746640, 77695968, 97119960, 129493280, 194239920, 388479840]

約数ペア:

[(1, 388479840), (2, 194239920), (3, 129493280), (4, 97119960), (5, 77695968), (6, 64746640), (7, 55497120), (8, 48559980), (10, 38847984), (12, 32373320), (14, 27748560), (15, 25898656), (16, 24279990), (20, 19423992), (21, 18499040), (24, 16186660), (28, 13874280), (30, 12949328), (32, 12139995), (35, 11099424), (40, 9711996), (42, 9249520), (48, 8093330), (49, 7928160), (56, 6937140), (60, 6474664), (70, 5549712), (80, 4855998), (83, 4680480), (84, 4624760), (96, 4046665), (98, 3964080), (105, 3699808), (112, 3468570), (120, 3237332), (140, 2774856), (147, 2642720), (160, 2427999), (166, 2340240), (168, 2312380), (196, 1982040), (199, 1952160), (210, 1849904), (224, 1734285), (240, 1618666), (245, 1585632), (249, 1560160), (280, 1387428), (294, 1321360), (332, 1170120), (336, 1156190), (392, 991020), (398, 976080), (415, 936096), (420, 924952), (480, 809333), (490, 792816), (498, 780080), (560, 693714), (581, 668640), (588, 660680), (597, 650720), (664, 585060), (672, 578095), (735, 528544), (784, 495510), (796, 488040), (830, 468048), (840, 462476), (980, 396408), (995, 390432), (996, 390040), (1120, 346857), (1162, 334320), (1176, 330340), (1194, 325360), (1245, 312032), (1328, 292530), (1393, 278880), (1470, 264272), (1568, 247755), (1592, 244020), (1660, 234024), (1680, 231238), (1743, 222880), (1960, 198204), (1990, 195216), (1992, 195020), (2324, 167160), (2352, 165170), (2388, 162680), (2490, 156016), (2656, 146265), (2786, 139440), (2905, 133728), (2940, 132136), (2985, 130144), (3184, 122010), (3320, 117012), (3360, 115619), (3486, 111440), (3920, 99102), (3980, 97608), (3984, 97510), (4067, 95520), (4179, 92960), (4648, 83580), (4704, 82585), (4776, 81340), (4980, 78008), (5572, 69720), (5810, 66864), (5880, 66068), (5970, 65072), (6368, 61005), (6640, 58506), (6965, 55776), (6972, 55720), (7840, 49551), (7960, 48804), (7968, 48755), (8134, 47760), (8358, 46480), (8715, 44576), (9296, 41790), (9552, 40670), (9751, 39840), (9960, 39004), (11144, 34860), (11620, 33432), (11760, 33034), (11940, 32536), (12201, 31840), (13280, 29253), (13930, 27888), (13944, 27860), (15920, 24402), (16268, 23880), (16517, 23520), (16716, 23240), (17430, 22288), (18592, 20895), (19104, 20335), (19502, 19920)]