493379880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18947}}^1$

素因数の和:18999

約数の個数: 128

約数和(自身を含む): 1746247680

約数和(自身を除く): 1252867800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 18947, 26040, 37894, 56841, 75788, 94735, 113682, 132629, 151576, 189470, 227364, 265258, 284205, 378940, 397887, 454728, 530516, 568410, 587357, 663145, 757880, 795774, 1061032, 1136820, 1174714, 1326290, 1591548, 1762071, 1989435, 2273640, 2349428, 2652580, 2936785, 3183096, 3524142, 3978870, 4111499, 4698856, 5305160, 5873570, 7048284, 7957740, 8222998, 8810355, 11747140, 12334497, 14096568, 15915480, 16445996, 17620710, 20557495, 23494280, 24668994, 32891992, 35241420, 41114990, 49337988, 61672485, 70482840, 82229980, 98675976, 123344970, 164459960, 246689940, 493379880]

約数ペア:

[(1, 493379880), (2, 246689940), (3, 164459960), (4, 123344970), (5, 98675976), (6, 82229980), (7, 70482840), (8, 61672485), (10, 49337988), (12, 41114990), (14, 35241420), (15, 32891992), (20, 24668994), (21, 23494280), (24, 20557495), (28, 17620710), (30, 16445996), (31, 15915480), (35, 14096568), (40, 12334497), (42, 11747140), (56, 8810355), (60, 8222998), (62, 7957740), (70, 7048284), (84, 5873570), (93, 5305160), (105, 4698856), (120, 4111499), (124, 3978870), (140, 3524142), (155, 3183096), (168, 2936785), (186, 2652580), (210, 2349428), (217, 2273640), (248, 1989435), (280, 1762071), (310, 1591548), (372, 1326290), (420, 1174714), (434, 1136820), (465, 1061032), (620, 795774), (651, 757880), (744, 663145), (840, 587357), (868, 568410), (930, 530516), (1085, 454728), (1240, 397887), (1302, 378940), (1736, 284205), (1860, 265258), (2170, 227364), (2604, 189470), (3255, 151576), (3720, 132629), (4340, 113682), (5208, 94735), (6510, 75788), (8680, 56841), (13020, 37894), (18947, 26040)]