638988668740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{2579}}^1\times {\mathrm{2963}}^1$

素因数の和:5701

約数の個数: 96

約数和(自身を含む): 1391347601280

約数和(自身を除く): 752358932540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 113, 148, 185, 226, 370, 452, 565, 740, 1130, 2260, 2579, 2963, 4181, 5158, 5926, 8362, 10316, 11852, 12895, 14815, 16724, 20905, 25790, 29630, 41810, 51580, 59260, 83620, 95423, 109631, 190846, 219262, 291427, 334819, 381692, 438524, 477115, 548155, 582854, 669638, 954230, 1096310, 1165708, 1339276, 1457135, 1674095, 1908460, 2192620, 2914270, 3348190, 5828540, 6696380, 7641577, 10782799, 12388303, 15283154, 21565598, 24776606, 30566308, 38207885, 43131196, 49553212, 53913995, 61941515, 76415770, 107827990, 123883030, 152831540, 215655980, 247766060, 282738349, 565476698, 863498201, 1130953396, 1413691745, 1726996402, 2827383490, 3453992804, 4317491005, 5654766980, 8634982010, 17269964020, 31949433437, 63898866874, 127797733748, 159747167185, 319494334370, 638988668740]

約数ペア:

[(1, 638988668740), (2, 319494334370), (4, 159747167185), (5, 127797733748), (10, 63898866874), (20, 31949433437), (37, 17269964020), (74, 8634982010), (113, 5654766980), (148, 4317491005), (185, 3453992804), (226, 2827383490), (370, 1726996402), (452, 1413691745), (565, 1130953396), (740, 863498201), (1130, 565476698), (2260, 282738349), (2579, 247766060), (2963, 215655980), (4181, 152831540), (5158, 123883030), (5926, 107827990), (8362, 76415770), (10316, 61941515), (11852, 53913995), (12895, 49553212), (14815, 43131196), (16724, 38207885), (20905, 30566308), (25790, 24776606), (29630, 21565598), (41810, 15283154), (51580, 12388303), (59260, 10782799), (83620, 7641577), (95423, 6696380), (109631, 5828540), (190846, 3348190), (219262, 2914270), (291427, 2192620), (334819, 1908460), (381692, 1674095), (438524, 1457135), (477115, 1339276), (548155, 1165708), (582854, 1096310), (669638, 954230)]