31951780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{947}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 77083776

約数和(自身を除く): 45131996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 947, 964, 1205, 1687, 1894, 2410, 3374, 3788, 4735, 4820, 6629, 6748, 8435, 9470, 13258, 16870, 18940, 26516, 33145, 33740, 66290, 132580, 228227, 456454, 912908, 1141135, 1597589, 2282270, 3195178, 4564540, 6390356, 7987945, 15975890, 31951780]

約数ペア:

[(1, 31951780), (2, 15975890), (4, 7987945), (5, 6390356), (7, 4564540), (10, 3195178), (14, 2282270), (20, 1597589), (28, 1141135), (35, 912908), (70, 456454), (140, 228227), (241, 132580), (482, 66290), (947, 33740), (964, 33145), (1205, 26516), (1687, 18940), (1894, 16870), (2410, 13258), (3374, 9470), (3788, 8435), (4735, 6748), (4820, 6629)]