253501340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{1049}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 547192800

約数和(自身を除く): 293691460

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 281, 430, 562, 860, 1049, 1124, 1405, 2098, 2810, 4196, 5245, 5620, 10490, 12083, 20980, 24166, 45107, 48332, 60415, 90214, 120830, 180428, 225535, 241660, 294769, 451070, 589538, 902140, 1179076, 1473845, 2947690, 5895380, 12675067, 25350134, 50700268, 63375335, 126750670, 253501340]

約数ペア:

[(1, 253501340), (2, 126750670), (4, 63375335), (5, 50700268), (10, 25350134), (20, 12675067), (43, 5895380), (86, 2947690), (172, 1473845), (215, 1179076), (281, 902140), (430, 589538), (562, 451070), (860, 294769), (1049, 241660), (1124, 225535), (1405, 180428), (2098, 120830), (2810, 90214), (4196, 60415), (5245, 48332), (5620, 45107), (10490, 24166), (12083, 20980)]