313996880

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{38861}}^1$

素因数の和:38975

約数の個数: 40

約数和(自身を含む): 737289864

約数和(自身を除く): 423292984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 38861, 77722, 155444, 194305, 310888, 388610, 621776, 777220, 1554440, 3108880, 3924961, 7849922, 15699844, 19624805, 31399688, 39249610, 62799376, 78499220, 156998440, 313996880]

約数ペア:

[(1, 313996880), (2, 156998440), (4, 78499220), (5, 62799376), (8, 39249610), (10, 31399688), (16, 19624805), (20, 15699844), (40, 7849922), (80, 3924961), (101, 3108880), (202, 1554440), (404, 777220), (505, 621776), (808, 388610), (1010, 310888), (1616, 194305), (2020, 155444), (4040, 77722), (8080, 38861)]