55103740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 124117056

約数和(自身を除く): 69013316

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 61, 62, 94, 122, 124, 155, 188, 235, 244, 305, 310, 470, 610, 620, 940, 961, 1220, 1457, 1891, 1922, 2867, 2914, 3782, 3844, 4805, 5734, 5828, 7285, 7564, 9455, 9610, 11468, 14335, 14570, 18910, 19220, 28670, 29140, 37820, 45167, 57340, 58621, 88877, 90334, 117242, 177754, 180668, 225835, 234484, 293105, 355508, 444385, 451670, 586210, 888770, 903340, 1172420, 1777540, 2755187, 5510374, 11020748, 13775935, 27551870, 55103740]

約数ペア:

[(1, 55103740), (2, 27551870), (4, 13775935), (5, 11020748), (10, 5510374), (20, 2755187), (31, 1777540), (47, 1172420), (61, 903340), (62, 888770), (94, 586210), (122, 451670), (124, 444385), (155, 355508), (188, 293105), (235, 234484), (244, 225835), (305, 180668), (310, 177754), (470, 117242), (610, 90334), (620, 88877), (940, 58621), (961, 57340), (1220, 45167), (1457, 37820), (1891, 29140), (1922, 28670), (2867, 19220), (2914, 18910), (3782, 14570), (3844, 14335), (4805, 11468), (5734, 9610), (5828, 9455), (7285, 7564)]