8850940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 21417984

約数和(自身を除く): 12567044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 331, 382, 662, 764, 955, 1324, 1337, 1655, 1910, 2317, 2674, 3310, 3820, 4634, 5348, 6620, 6685, 9268, 11585, 13370, 23170, 26740, 46340, 63221, 126442, 252884, 316105, 442547, 632210, 885094, 1264420, 1770188, 2212735, 4425470, 8850940]

約数ペア:

[(1, 8850940), (2, 4425470), (4, 2212735), (5, 1770188), (7, 1264420), (10, 885094), (14, 632210), (20, 442547), (28, 316105), (35, 252884), (70, 126442), (140, 63221), (191, 46340), (331, 26740), (382, 23170), (662, 13370), (764, 11585), (955, 9268), (1324, 6685), (1337, 6620), (1655, 5348), (1910, 4634), (2317, 3820), (2674, 3310)]