90413540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1579}}^1$

素因数の和:2004

約数の個数: 48

約数和(自身を含む): 217660800

約数和(自身を除く): 127247260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1579, 1636, 2045, 2863, 3158, 4090, 5726, 6316, 7895, 8180, 11053, 11452, 14315, 15790, 22106, 28630, 31580, 44212, 55265, 57260, 110530, 221060, 645811, 1291622, 2583244, 3229055, 4520677, 6458110, 9041354, 12916220, 18082708, 22603385, 45206770, 90413540]

約数ペア:

[(1, 90413540), (2, 45206770), (4, 22603385), (5, 18082708), (7, 12916220), (10, 9041354), (14, 6458110), (20, 4520677), (28, 3229055), (35, 2583244), (70, 1291622), (140, 645811), (409, 221060), (818, 110530), (1579, 57260), (1636, 55265), (2045, 44212), (2863, 31580), (3158, 28630), (4090, 22106), (5726, 15790), (6316, 14315), (7895, 11452), (8180, 11053)]