1661529940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1231}}^1$

素因数の和:1589

約数の個数: 96

約数和(自身を含む): 4132896768

約数和(自身を除く): 2471366828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 311, 434, 620, 622, 868, 1085, 1231, 1244, 1555, 2170, 2177, 2462, 3110, 4340, 4354, 4924, 6155, 6220, 8617, 8708, 9641, 10885, 12310, 17234, 19282, 21770, 24620, 34468, 38161, 38564, 43085, 43540, 48205, 67487, 76322, 86170, 96410, 134974, 152644, 172340, 190805, 192820, 267127, 269948, 337435, 381610, 382841, 534254, 674870, 763220, 765682, 1068508, 1335635, 1349740, 1531364, 1914205, 2671270, 2679887, 3828410, 5342540, 5359774, 7656820, 10719548, 11868071, 13399435, 23736142, 26798870, 47472284, 53597740, 59340355, 83076497, 118680710, 166152994, 237361420, 332305988, 415382485, 830764970, 1661529940]

約数ペア:

[(1, 1661529940), (2, 830764970), (4, 415382485), (5, 332305988), (7, 237361420), (10, 166152994), (14, 118680710), (20, 83076497), (28, 59340355), (31, 53597740), (35, 47472284), (62, 26798870), (70, 23736142), (124, 13399435), (140, 11868071), (155, 10719548), (217, 7656820), (310, 5359774), (311, 5342540), (434, 3828410), (620, 2679887), (622, 2671270), (868, 1914205), (1085, 1531364), (1231, 1349740), (1244, 1335635), (1555, 1068508), (2170, 765682), (2177, 763220), (2462, 674870), (3110, 534254), (4340, 382841), (4354, 381610), (4924, 337435), (6155, 269948), (6220, 267127), (8617, 192820), (8708, 190805), (9641, 172340), (10885, 152644), (12310, 134974), (17234, 96410), (19282, 86170), (21770, 76322), (24620, 67487), (34468, 48205), (38161, 43540), (38564, 43085)]