742980275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{4021}}^1$

素因数の和:4439

約数の個数: 24

約数和(自身を含む): 972519600

約数和(自身を除く): 229539325

約数列:

[1, 5, 19, 25, 95, 389, 475, 1945, 4021, 7391, 9725, 20105, 36955, 76399, 100525, 184775, 381995, 1564169, 1909975, 7820845, 29719211, 39104225, 148596055, 742980275]

約数ペア:

[(1, 742980275), (5, 148596055), (19, 39104225), (25, 29719211), (95, 7820845), (389, 1909975), (475, 1564169), (1945, 381995), (4021, 184775), (7391, 100525), (9725, 76399), (20105, 36955)]