42981890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3911}}^1$

素因数の和:4082

約数の個数: 32

約数和(自身を含む): 89005824

約数和(自身を除く): 46023934

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 3911, 5495, 7822, 10990, 19555, 27377, 39110, 54754, 136885, 273770, 614027, 1228054, 3070135, 4298189, 6140270, 8596378, 21490945, 42981890]

約数ペア:

[(1, 42981890), (2, 21490945), (5, 8596378), (7, 6140270), (10, 4298189), (14, 3070135), (35, 1228054), (70, 614027), (157, 273770), (314, 136885), (785, 54754), (1099, 39110), (1570, 27377), (2198, 19555), (3911, 10990), (5495, 7822)]