2221390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 4315680

約数和(自身を除く): 2094290

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 179, 358, 365, 730, 895, 1241, 1790, 2482, 3043, 6086, 6205, 12410, 13067, 15215, 26134, 30430, 65335, 130670, 222139, 444278, 1110695, 2221390]

約数ペア:

[(1, 2221390), (2, 1110695), (5, 444278), (10, 222139), (17, 130670), (34, 65335), (73, 30430), (85, 26134), (146, 15215), (170, 13067), (179, 12410), (358, 6205), (365, 6086), (730, 3043), (895, 2482), (1241, 1790)]