388657620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^2$

素因数の和:199

約数の個数: 216

約数和(自身を含む): 1323680904

約数和(自身を除く): 935023284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 67, 74, 78, 90, 111, 117, 130, 134, 148, 156, 180, 185, 195, 201, 222, 234, 260, 268, 333, 335, 370, 390, 402, 444, 468, 481, 555, 585, 603, 666, 670, 740, 780, 804, 871, 962, 1005, 1110, 1170, 1206, 1332, 1340, 1443, 1665, 1742, 1924, 2010, 2220, 2340, 2405, 2412, 2479, 2613, 2886, 3015, 3330, 3484, 4020, 4329, 4355, 4489, 4810, 4958, 5226, 5772, 6030, 6660, 7215, 7437, 7839, 8658, 8710, 8978, 9620, 9916, 10452, 12060, 12395, 13065, 13467, 14430, 14874, 15678, 17316, 17420, 17956, 21645, 22311, 22445, 24790, 26130, 26934, 28860, 29748, 31356, 32227, 37185, 39195, 40401, 43290, 44622, 44890, 49580, 52260, 53868, 58357, 64454, 67335, 74370, 78390, 80802, 86580, 89244, 89780, 96681, 111555, 116714, 128908, 134670, 148740, 156780, 161135, 161604, 166093, 175071, 193362, 202005, 223110, 233428, 269340, 290043, 291785, 322270, 332186, 350142, 386724, 404010, 446220, 483405, 498279, 525213, 580086, 583570, 644540, 664372, 700284, 808020, 830465, 875355, 966810, 996558, 1050426, 1160172, 1167140, 1450215, 1494837, 1660930, 1750710, 1933620, 1993116, 2100852, 2159209, 2491395, 2626065, 2900430, 2989674, 3321860, 3501420, 4318418, 4982790, 5252130, 5800860, 5979348, 6477627, 7474185, 8636836, 9965580, 10504260, 10796045, 12955254, 14948370, 19432881, 21592090, 25910508, 29896740, 32388135, 38865762, 43184180, 64776270, 77731524, 97164405, 129552540, 194328810, 388657620]

約数ペア:

[(1, 388657620), (2, 194328810), (3, 129552540), (4, 97164405), (5, 77731524), (6, 64776270), (9, 43184180), (10, 38865762), (12, 32388135), (13, 29896740), (15, 25910508), (18, 21592090), (20, 19432881), (26, 14948370), (30, 12955254), (36, 10796045), (37, 10504260), (39, 9965580), (45, 8636836), (52, 7474185), (60, 6477627), (65, 5979348), (67, 5800860), (74, 5252130), (78, 4982790), (90, 4318418), (111, 3501420), (117, 3321860), (130, 2989674), (134, 2900430), (148, 2626065), (156, 2491395), (180, 2159209), (185, 2100852), (195, 1993116), (201, 1933620), (222, 1750710), (234, 1660930), (260, 1494837), (268, 1450215), (333, 1167140), (335, 1160172), (370, 1050426), (390, 996558), (402, 966810), (444, 875355), (468, 830465), (481, 808020), (555, 700284), (585, 664372), (603, 644540), (666, 583570), (670, 580086), (740, 525213), (780, 498279), (804, 483405), (871, 446220), (962, 404010), (1005, 386724), (1110, 350142), (1170, 332186), (1206, 322270), (1332, 291785), (1340, 290043), (1443, 269340), (1665, 233428), (1742, 223110), (1924, 202005), (2010, 193362), (2220, 175071), (2340, 166093), (2405, 161604), (2412, 161135), (2479, 156780), (2613, 148740), (2886, 134670), (3015, 128908), (3330, 116714), (3484, 111555), (4020, 96681), (4329, 89780), (4355, 89244), (4489, 86580), (4810, 80802), (4958, 78390), (5226, 74370), (5772, 67335), (6030, 64454), (6660, 58357), (7215, 53868), (7437, 52260), (7839, 49580), (8658, 44890), (8710, 44622), (8978, 43290), (9620, 40401), (9916, 39195), (10452, 37185), (12060, 32227), (12395, 31356), (13065, 29748), (13467, 28860), (14430, 26934), (14874, 26130), (15678, 24790), (17316, 22445), (17420, 22311), (17956, 21645)]