231860020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{3373}}^1$

素因数の和:3880

約数の個数: 48

約数和(自身を含む): 557762688

約数和(自身を除く): 325902668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1964, 2455, 3373, 3437, 4910, 6746, 6874, 9820, 13492, 13748, 16865, 17185, 23611, 33730, 34370, 47222, 67460, 68740, 94444, 118055, 236110, 472220, 1656143, 3312286, 6624572, 8280715, 11593001, 16561430, 23186002, 33122860, 46372004, 57965005, 115930010, 231860020]

約数ペア:

[(1, 231860020), (2, 115930010), (4, 57965005), (5, 46372004), (7, 33122860), (10, 23186002), (14, 16561430), (20, 11593001), (28, 8280715), (35, 6624572), (70, 3312286), (140, 1656143), (491, 472220), (982, 236110), (1964, 118055), (2455, 94444), (3373, 68740), (3437, 67460), (4910, 47222), (6746, 34370), (6874, 33730), (9820, 23611), (13492, 17185), (13748, 16865)]