721160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 1795500

約数和(自身を除く): 1074340

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 149, 220, 242, 298, 440, 484, 596, 605, 745, 968, 1192, 1210, 1490, 1639, 2420, 2980, 3278, 4840, 5960, 6556, 8195, 13112, 16390, 18029, 32780, 36058, 65560, 72116, 90145, 144232, 180290, 360580, 721160]

約数ペア:

[(1, 721160), (2, 360580), (4, 180290), (5, 144232), (8, 90145), (10, 72116), (11, 65560), (20, 36058), (22, 32780), (40, 18029), (44, 16390), (55, 13112), (88, 8195), (110, 6556), (121, 5960), (149, 4840), (220, 3278), (242, 2980), (298, 2420), (440, 1639), (484, 1490), (596, 1210), (605, 1192), (745, 968)]