2999190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 7244640

約数和(自身を除く): 4245450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 389, 514, 771, 778, 1167, 1285, 1542, 1945, 2334, 2570, 3855, 3890, 5835, 7710, 11670, 99973, 199946, 299919, 499865, 599838, 999730, 1499595, 2999190]

約数ペア:

[(1, 2999190), (2, 1499595), (3, 999730), (5, 599838), (6, 499865), (10, 299919), (15, 199946), (30, 99973), (257, 11670), (389, 7710), (514, 5835), (771, 3890), (778, 3855), (1167, 2570), (1285, 2334), (1542, 1945)]