420173380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61609}}^1$

素因数の和:61660

約数の個数: 48

約数和(自身を含む): 993646080

約数和(自身を除く): 573472700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 61609, 123218, 246436, 308045, 616090, 677699, 1232180, 1355398, 1909879, 2710796, 3388495, 3819758, 6776990, 7639516, 9549395, 13553980, 19098790, 21008669, 38197580, 42017338, 84034676, 105043345, 210086690, 420173380]

約数ペア:

[(1, 420173380), (2, 210086690), (4, 105043345), (5, 84034676), (10, 42017338), (11, 38197580), (20, 21008669), (22, 19098790), (31, 13553980), (44, 9549395), (55, 7639516), (62, 6776990), (110, 3819758), (124, 3388495), (155, 2710796), (220, 1909879), (310, 1355398), (341, 1232180), (620, 677699), (682, 616090), (1364, 308045), (1705, 246436), (3410, 123218), (6820, 61609)]