291240340

素因数分解:

$2^2\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{9199}}^1$

素因数の和:10791

約数の個数: 24

約数和(自身を含む): 612057600

約数和(自身を除く): 320817260

約数列:

[1, 2, 4, 5, 10, 20, 1583, 3166, 6332, 7915, 9199, 15830, 18398, 31660, 36796, 45995, 91990, 183980, 14562017, 29124034, 58248068, 72810085, 145620170, 291240340]

約数ペア:

[(1, 291240340), (2, 145620170), (4, 72810085), (5, 58248068), (10, 29124034), (20, 14562017), (1583, 183980), (3166, 91990), (6332, 45995), (7915, 36796), (9199, 31660), (15830, 18398)]