121689740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^3$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 274446144

約数和(自身を除く): 152756404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 5041, 6035, 10082, 12070, 20164, 24140, 25205, 50410, 85697, 100820, 171394, 342788, 357911, 428485, 715822, 856970, 1431644, 1713940, 1789555, 3579110, 6084487, 7158220, 12168974, 24337948, 30422435, 60844870, 121689740]

約数ペア:

[(1, 121689740), (2, 60844870), (4, 30422435), (5, 24337948), (10, 12168974), (17, 7158220), (20, 6084487), (34, 3579110), (68, 1789555), (71, 1713940), (85, 1431644), (142, 856970), (170, 715822), (284, 428485), (340, 357911), (355, 342788), (710, 171394), (1207, 100820), (1420, 85697), (2414, 50410), (4828, 25205), (5041, 24140), (6035, 20164), (10082, 12070)]