200905640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2593}}^1$

素因数の和:2766

約数の個数: 64

約数和(自身を含む): 490266000

約数和(自身を除く): 289360360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1192, 1490, 1937, 2593, 2980, 3874, 5186, 5960, 7748, 9685, 10372, 12965, 15496, 19370, 20744, 25930, 33709, 38740, 51860, 67418, 77480, 103720, 134836, 168545, 269672, 337090, 386357, 674180, 772714, 1348360, 1545428, 1931785, 3090856, 3863570, 5022641, 7727140, 10045282, 15454280, 20090564, 25113205, 40181128, 50226410, 100452820, 200905640]

約数ペア:

[(1, 200905640), (2, 100452820), (4, 50226410), (5, 40181128), (8, 25113205), (10, 20090564), (13, 15454280), (20, 10045282), (26, 7727140), (40, 5022641), (52, 3863570), (65, 3090856), (104, 1931785), (130, 1545428), (149, 1348360), (260, 772714), (298, 674180), (520, 386357), (596, 337090), (745, 269672), (1192, 168545), (1490, 134836), (1937, 103720), (2593, 77480), (2980, 67418), (3874, 51860), (5186, 38740), (5960, 33709), (7748, 25930), (9685, 20744), (10372, 19370), (12965, 15496)]