78328180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{32911}}^1$

素因数の和:32944

約数の個数: 48

約数和(自身を含む): 199051776

約数和(自身を除く): 120723596

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, 32911, 65822, 131644, 164555, 230377, 329110, 460754, 559487, 658220, 921508, 1118974, 1151885, 2237948, 2303770, 2797435, 3916409, 4607540, 5594870, 7832818, 11189740, 15665636, 19582045, 39164090, 78328180]

約数ペア:

[(1, 78328180), (2, 39164090), (4, 19582045), (5, 15665636), (7, 11189740), (10, 7832818), (14, 5594870), (17, 4607540), (20, 3916409), (28, 2797435), (34, 2303770), (35, 2237948), (68, 1151885), (70, 1118974), (85, 921508), (119, 658220), (140, 559487), (170, 460754), (238, 329110), (340, 230377), (476, 164555), (595, 131644), (1190, 65822), (2380, 32911)]