64340200

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 159096960

約数和(自身を除く): 94756760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 71, 92, 100, 115, 142, 184, 197, 200, 230, 284, 355, 394, 460, 568, 575, 710, 788, 920, 985, 1150, 1420, 1576, 1633, 1775, 1970, 2300, 2840, 3266, 3550, 3940, 4531, 4600, 4925, 6532, 7100, 7880, 8165, 9062, 9850, 13064, 13987, 14200, 16330, 18124, 19700, 22655, 27974, 32660, 36248, 39400, 40825, 45310, 55948, 65320, 69935, 81650, 90620, 111896, 113275, 139870, 163300, 181240, 226550, 279740, 321701, 326600, 349675, 453100, 559480, 643402, 699350, 906200, 1286804, 1398700, 1608505, 2573608, 2797400, 3217010, 6434020, 8042525, 12868040, 16085050, 32170100, 64340200]

約数ペア:

[(1, 64340200), (2, 32170100), (4, 16085050), (5, 12868040), (8, 8042525), (10, 6434020), (20, 3217010), (23, 2797400), (25, 2573608), (40, 1608505), (46, 1398700), (50, 1286804), (71, 906200), (92, 699350), (100, 643402), (115, 559480), (142, 453100), (184, 349675), (197, 326600), (200, 321701), (230, 279740), (284, 226550), (355, 181240), (394, 163300), (460, 139870), (568, 113275), (575, 111896), (710, 90620), (788, 81650), (920, 69935), (985, 65320), (1150, 55948), (1420, 45310), (1576, 40825), (1633, 39400), (1775, 36248), (1970, 32660), (2300, 27974), (2840, 22655), (3266, 19700), (3550, 18124), (3940, 16330), (4531, 14200), (4600, 13987), (4925, 13064), (6532, 9850), (7100, 9062), (7880, 8165)]