1900446940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{1103}}^1$

素因数の和:1547

約数の個数: 96

約数和(自身を含む): 4724342784

約数和(自身を除く): 2823895844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 397, 434, 620, 794, 868, 1085, 1103, 1588, 1985, 2170, 2206, 2779, 3970, 4340, 4412, 5515, 5558, 7721, 7940, 11030, 11116, 12307, 13895, 15442, 22060, 24614, 27790, 30884, 34193, 38605, 49228, 55580, 61535, 68386, 77210, 86149, 123070, 136772, 154420, 170965, 172298, 239351, 246140, 341930, 344596, 430745, 437891, 478702, 683860, 861490, 875782, 957404, 1196755, 1722980, 1751564, 2189455, 2393510, 3065237, 4378910, 4787020, 6130474, 8757820, 12260948, 13574621, 15326185, 27149242, 30652370, 54298484, 61304740, 67873105, 95022347, 135746210, 190044694, 271492420, 380089388, 475111735, 950223470, 1900446940]

約数ペア:

[(1, 1900446940), (2, 950223470), (4, 475111735), (5, 380089388), (7, 271492420), (10, 190044694), (14, 135746210), (20, 95022347), (28, 67873105), (31, 61304740), (35, 54298484), (62, 30652370), (70, 27149242), (124, 15326185), (140, 13574621), (155, 12260948), (217, 8757820), (310, 6130474), (397, 4787020), (434, 4378910), (620, 3065237), (794, 2393510), (868, 2189455), (1085, 1751564), (1103, 1722980), (1588, 1196755), (1985, 957404), (2170, 875782), (2206, 861490), (2779, 683860), (3970, 478702), (4340, 437891), (4412, 430745), (5515, 344596), (5558, 341930), (7721, 246140), (7940, 239351), (11030, 172298), (11116, 170965), (12307, 154420), (13895, 136772), (15442, 123070), (22060, 86149), (24614, 77210), (27790, 68386), (30884, 61535), (34193, 55580), (38605, 49228)]