3310780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 7711200

約数和(自身を除く): 4400420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 149, 202, 220, 298, 404, 505, 596, 745, 1010, 1111, 1490, 1639, 2020, 2222, 2980, 3278, 4444, 5555, 6556, 8195, 11110, 15049, 16390, 22220, 30098, 32780, 60196, 75245, 150490, 165539, 300980, 331078, 662156, 827695, 1655390, 3310780]

約数ペア:

[(1, 3310780), (2, 1655390), (4, 827695), (5, 662156), (10, 331078), (11, 300980), (20, 165539), (22, 150490), (44, 75245), (55, 60196), (101, 32780), (110, 30098), (149, 22220), (202, 16390), (220, 15049), (298, 11110), (404, 8195), (505, 6556), (596, 5555), (745, 4444), (1010, 3278), (1111, 2980), (1490, 2222), (1639, 2020)]