78509060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{32987}}^1$

素因数の和:33020

約数の個数: 48

約数和(自身を含む): 199511424

約数和(自身を除く): 121002364

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 32987, 65974, 131948, 164935, 230909, 329870, 461818, 560779, 659740, 923636, 1121558, 1154545, 2243116, 2309090, 2803895, 3925453, 4618180, 5607790, 7850906, 11215580, 15701812, 19627265, 39254530, 78509060]

約数ペア:

[(1, 78509060), (2, 39254530), (4, 19627265), (5, 15701812), (7, 11215580), (10, 7850906), (14, 5607790), (17, 4618180), (20, 3925453), (28, 2803895), (34, 2309090), (35, 2243116), (68, 1154545), (70, 1121558), (85, 923636), (119, 659740), (140, 560779), (170, 461818), (238, 329870), (340, 230909), (476, 164935), (595, 131948), (1190, 65974), (2380, 32987)]