212217830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 430401600

約数和(自身を除く): 218183770

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 89, 106, 110, 178, 265, 409, 445, 530, 583, 818, 890, 979, 1166, 1958, 2045, 2915, 4090, 4499, 4717, 4895, 5830, 8998, 9434, 9790, 21677, 22495, 23585, 36401, 43354, 44990, 47170, 51887, 72802, 103774, 108385, 182005, 216770, 238447, 259435, 364010, 400411, 476894, 518870, 800822, 1192235, 1929253, 2002055, 2384470, 3858506, 4004110, 9646265, 19292530, 21221783, 42443566, 106108915, 212217830]

約数ペア:

[(1, 212217830), (2, 106108915), (5, 42443566), (10, 21221783), (11, 19292530), (22, 9646265), (53, 4004110), (55, 3858506), (89, 2384470), (106, 2002055), (110, 1929253), (178, 1192235), (265, 800822), (409, 518870), (445, 476894), (530, 400411), (583, 364010), (818, 259435), (890, 238447), (979, 216770), (1166, 182005), (1958, 108385), (2045, 103774), (2915, 72802), (4090, 51887), (4499, 47170), (4717, 44990), (4895, 43354), (5830, 36401), (8998, 23585), (9434, 22495), (9790, 21677)]