315064225

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 461577600

約数和(自身を除く): 146513375

約数列:

[1, 5, 7, 25, 35, 43, 149, 175, 215, 281, 301, 745, 1043, 1075, 1405, 1505, 1967, 3725, 5215, 6407, 7025, 7525, 9835, 12083, 26075, 32035, 41869, 44849, 49175, 60415, 84581, 160175, 209345, 224245, 293083, 302075, 422905, 1046725, 1121225, 1465415, 1800367, 2114525, 7327075, 9001835, 12602569, 45009175, 63012845, 315064225]

約数ペア:

[(1, 315064225), (5, 63012845), (7, 45009175), (25, 12602569), (35, 9001835), (43, 7327075), (149, 2114525), (175, 1800367), (215, 1465415), (281, 1121225), (301, 1046725), (745, 422905), (1043, 302075), (1075, 293083), (1405, 224245), (1505, 209345), (1967, 160175), (3725, 84581), (5215, 60415), (6407, 49175), (7025, 44849), (7525, 41869), (9835, 32035), (12083, 26075)]