8742620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 19353600

約数和(自身を除く): 10610980

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 239, 295, 310, 478, 590, 620, 956, 1180, 1195, 1829, 2390, 3658, 4780, 7316, 7409, 9145, 14101, 14818, 18290, 28202, 29636, 36580, 37045, 56404, 70505, 74090, 141010, 148180, 282020, 437131, 874262, 1748524, 2185655, 4371310, 8742620]

約数ペア:

[(1, 8742620), (2, 4371310), (4, 2185655), (5, 1748524), (10, 874262), (20, 437131), (31, 282020), (59, 148180), (62, 141010), (118, 74090), (124, 70505), (155, 56404), (236, 37045), (239, 36580), (295, 29636), (310, 28202), (478, 18290), (590, 14818), (620, 14101), (956, 9145), (1180, 7409), (1195, 7316), (1829, 4780), (2390, 3658)]