202940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 435120

約数和(自身を除く): 232180

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 278, 292, 365, 556, 695, 730, 1390, 1460, 2780, 10147, 20294, 40588, 50735, 101470, 202940]

約数ペア:

[(1, 202940), (2, 101470), (4, 50735), (5, 40588), (10, 20294), (20, 10147), (73, 2780), (139, 1460), (146, 1390), (278, 730), (292, 695), (365, 556)]