1489679940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:686

約数の個数: 192

約数和(自身を含む): 4928039424

約数和(自身を除く): 3438359484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 257, 259, 370, 373, 420, 444, 514, 518, 555, 740, 746, 771, 777, 1028, 1036, 1110, 1119, 1285, 1295, 1492, 1542, 1554, 1799, 1865, 2220, 2238, 2570, 2590, 2611, 3084, 3108, 3598, 3730, 3855, 3885, 4476, 5140, 5180, 5222, 5397, 5595, 7196, 7460, 7710, 7770, 7833, 8995, 9509, 10444, 10794, 11190, 13055, 13801, 15420, 15540, 15666, 17990, 19018, 21588, 22380, 26110, 26985, 27602, 28527, 31332, 35980, 38036, 39165, 41403, 47545, 52220, 53970, 55204, 57054, 66563, 69005, 78330, 82806, 95090, 95861, 96607, 107940, 114108, 133126, 138010, 142635, 156660, 165612, 190180, 191722, 193214, 199689, 207015, 266252, 276020, 285270, 287583, 289821, 332815, 383444, 386428, 399378, 414030, 479305, 483035, 570540, 575166, 579642, 665630, 671027, 798756, 828060, 958610, 966070, 998445, 1150332, 1159284, 1331260, 1342054, 1437915, 1449105, 1917220, 1932140, 1996890, 2013081, 2684108, 2875830, 2898210, 3355135, 3546857, 3993780, 4026162, 5751660, 5796420, 6710270, 7093714, 8052324, 10065405, 10640571, 13420540, 14187428, 17734285, 20130810, 21281142, 24827999, 35468570, 40261620, 42562284, 49655998, 53202855, 70937140, 74483997, 99311996, 106405710, 124139995, 148967994, 212811420, 248279990, 297935988, 372419985, 496559980, 744839970, 1489679940]

約数ペア:

[(1, 1489679940), (2, 744839970), (3, 496559980), (4, 372419985), (5, 297935988), (6, 248279990), (7, 212811420), (10, 148967994), (12, 124139995), (14, 106405710), (15, 99311996), (20, 74483997), (21, 70937140), (28, 53202855), (30, 49655998), (35, 42562284), (37, 40261620), (42, 35468570), (60, 24827999), (70, 21281142), (74, 20130810), (84, 17734285), (105, 14187428), (111, 13420540), (140, 10640571), (148, 10065405), (185, 8052324), (210, 7093714), (222, 6710270), (257, 5796420), (259, 5751660), (370, 4026162), (373, 3993780), (420, 3546857), (444, 3355135), (514, 2898210), (518, 2875830), (555, 2684108), (740, 2013081), (746, 1996890), (771, 1932140), (777, 1917220), (1028, 1449105), (1036, 1437915), (1110, 1342054), (1119, 1331260), (1285, 1159284), (1295, 1150332), (1492, 998445), (1542, 966070), (1554, 958610), (1799, 828060), (1865, 798756), (2220, 671027), (2238, 665630), (2570, 579642), (2590, 575166), (2611, 570540), (3084, 483035), (3108, 479305), (3598, 414030), (3730, 399378), (3855, 386428), (3885, 383444), (4476, 332815), (5140, 289821), (5180, 287583), (5222, 285270), (5397, 276020), (5595, 266252), (7196, 207015), (7460, 199689), (7710, 193214), (7770, 191722), (7833, 190180), (8995, 165612), (9509, 156660), (10444, 142635), (10794, 138010), (11190, 133126), (13055, 114108), (13801, 107940), (15420, 96607), (15540, 95861), (15666, 95090), (17990, 82806), (19018, 78330), (21588, 69005), (22380, 66563), (26110, 57054), (26985, 55204), (27602, 53970), (28527, 52220), (31332, 47545), (35980, 41403), (38036, 39165)]