77897740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1163}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 174236832

約数和(自身を除く): 96339092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1163, 1970, 2326, 3349, 3940, 4652, 5815, 6698, 11630, 13396, 16745, 19771, 23260, 33490, 39542, 66980, 79084, 98855, 197710, 229111, 395420, 458222, 916444, 1145555, 2291110, 3894887, 4582220, 7789774, 15579548, 19474435, 38948870, 77897740]

約数ペア:

[(1, 77897740), (2, 38948870), (4, 19474435), (5, 15579548), (10, 7789774), (17, 4582220), (20, 3894887), (34, 2291110), (68, 1145555), (85, 916444), (170, 458222), (197, 395420), (340, 229111), (394, 197710), (788, 98855), (985, 79084), (1163, 66980), (1970, 39542), (2326, 33490), (3349, 23260), (3940, 19771), (4652, 16745), (5815, 13396), (6698, 11630)]