243089240

素因数分解:

$2^3\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{2789}}^1$

素因数の和:4979

約数の個数: 32

約数和(自身を含む): 547398000

約数和(自身を除く): 304308760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2179, 2789, 4358, 5578, 8716, 10895, 11156, 13945, 17432, 21790, 22312, 27890, 43580, 55780, 87160, 111560, 6077231, 12154462, 24308924, 30386155, 48617848, 60772310, 121544620, 243089240]

約数ペア:

[(1, 243089240), (2, 121544620), (4, 60772310), (5, 48617848), (8, 30386155), (10, 24308924), (20, 12154462), (40, 6077231), (2179, 111560), (2789, 87160), (4358, 55780), (5578, 43580), (8716, 27890), (10895, 22312), (11156, 21790), (13945, 17432)]