315069820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1211807}}^1$

素因数の和:1211829

約数の個数: 24

約数和(自身を含む): 712543104

約数和(自身を除く): 397473284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1211807, 2423614, 4847228, 6059035, 12118070, 15753491, 24236140, 31506982, 63013964, 78767455, 157534910, 315069820]

約数ペア:

[(1, 315069820), (2, 157534910), (4, 78767455), (5, 63013964), (10, 31506982), (13, 24236140), (20, 15753491), (26, 12118070), (52, 6059035), (65, 4847228), (130, 2423614), (260, 1211807)]