389714640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1130

約数の個数: 240

約数和(自身を含む): 1452049920

約数和(自身を除く): 1062335280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 735, 744, 784, 840, 868, 930, 980, 1069, 1085, 1176, 1240, 1302, 1470, 1488, 1519, 1680, 1736, 1860, 1960, 2138, 2170, 2352, 2480, 2604, 2940, 3038, 3207, 3255, 3472, 3720, 3920, 4276, 4340, 4557, 5208, 5345, 5880, 6076, 6414, 6510, 7440, 7483, 7595, 8552, 8680, 9114, 10416, 10690, 11760, 12152, 12828, 13020, 14966, 15190, 16035, 17104, 17360, 18228, 21380, 22449, 22785, 24304, 25656, 26040, 29932, 30380, 32070, 33139, 36456, 37415, 42760, 44898, 45570, 51312, 52080, 52381, 59864, 60760, 64140, 66278, 72912, 74830, 85520, 89796, 91140, 99417, 104762, 112245, 119728, 121520, 128280, 132556, 149660, 157143, 165695, 179592, 182280, 198834, 209524, 224490, 231973, 256560, 261905, 265112, 299320, 314286, 331390, 359184, 364560, 397668, 419048, 448980, 463946, 497085, 523810, 530224, 598640, 628572, 662780, 695919, 785715, 795336, 838096, 897960, 927892, 994170, 1047620, 1159865, 1257144, 1325560, 1391838, 1571430, 1590672, 1623811, 1795920, 1855784, 1988340, 2095240, 2319730, 2514288, 2651120, 2783676, 3142860, 3247622, 3479595, 3711568, 3976680, 4190480, 4639460, 4871433, 5567352, 6285720, 6495244, 6959190, 7953360, 8119055, 9278920, 9742866, 11134704, 12571440, 12990488, 13918380, 16238110, 18557840, 19485732, 24357165, 25980976, 27836760, 32476220, 38971464, 48714330, 55673520, 64952440, 77942928, 97428660, 129904880, 194857320, 389714640]

約数ペア:

[(1, 389714640), (2, 194857320), (3, 129904880), (4, 97428660), (5, 77942928), (6, 64952440), (7, 55673520), (8, 48714330), (10, 38971464), (12, 32476220), (14, 27836760), (15, 25980976), (16, 24357165), (20, 19485732), (21, 18557840), (24, 16238110), (28, 13918380), (30, 12990488), (31, 12571440), (35, 11134704), (40, 9742866), (42, 9278920), (48, 8119055), (49, 7953360), (56, 6959190), (60, 6495244), (62, 6285720), (70, 5567352), (80, 4871433), (84, 4639460), (93, 4190480), (98, 3976680), (105, 3711568), (112, 3479595), (120, 3247622), (124, 3142860), (140, 2783676), (147, 2651120), (155, 2514288), (168, 2319730), (186, 2095240), (196, 1988340), (210, 1855784), (217, 1795920), (240, 1623811), (245, 1590672), (248, 1571430), (280, 1391838), (294, 1325560), (310, 1257144), (336, 1159865), (372, 1047620), (392, 994170), (420, 927892), (434, 897960), (465, 838096), (490, 795336), (496, 785715), (560, 695919), (588, 662780), (620, 628572), (651, 598640), (735, 530224), (744, 523810), (784, 497085), (840, 463946), (868, 448980), (930, 419048), (980, 397668), (1069, 364560), (1085, 359184), (1176, 331390), (1240, 314286), (1302, 299320), (1470, 265112), (1488, 261905), (1519, 256560), (1680, 231973), (1736, 224490), (1860, 209524), (1960, 198834), (2138, 182280), (2170, 179592), (2352, 165695), (2480, 157143), (2604, 149660), (2940, 132556), (3038, 128280), (3207, 121520), (3255, 119728), (3472, 112245), (3720, 104762), (3920, 99417), (4276, 91140), (4340, 89796), (4557, 85520), (5208, 74830), (5345, 72912), (5880, 66278), (6076, 64140), (6414, 60760), (6510, 59864), (7440, 52381), (7483, 52080), (7595, 51312), (8552, 45570), (8680, 44898), (9114, 42760), (10416, 37415), (10690, 36456), (11760, 33139), (12152, 32070), (12828, 30380), (13020, 29932), (14966, 26040), (15190, 25656), (16035, 24304), (17104, 22785), (17360, 22449), (18228, 21380)]