28821010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 53913600

約数和(自身を除く): 25092590

約数列:

[1, 2, 5, 10, 31, 62, 155, 239, 310, 389, 478, 778, 1195, 1945, 2390, 3890, 7409, 12059, 14818, 24118, 37045, 60295, 74090, 92971, 120590, 185942, 464855, 929710, 2882101, 5764202, 14410505, 28821010]

約数ペア:

[(1, 28821010), (2, 14410505), (5, 5764202), (10, 2882101), (31, 929710), (62, 464855), (155, 185942), (239, 120590), (310, 92971), (389, 74090), (478, 60295), (778, 37045), (1195, 24118), (1945, 14818), (2390, 12059), (3890, 7409)]