80778775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1447}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 129277440

約数和(自身を除く): 48498665

約数列:

[1, 5, 7, 11, 25, 29, 35, 55, 77, 145, 175, 203, 275, 319, 385, 725, 1015, 1447, 1595, 1925, 2233, 5075, 7235, 7975, 10129, 11165, 15917, 36175, 41963, 50645, 55825, 79585, 111419, 209815, 253225, 293741, 397925, 461593, 557095, 1049075, 1468705, 2307965, 2785475, 3231151, 7343525, 11539825, 16155755, 80778775]

約数ペア:

[(1, 80778775), (5, 16155755), (7, 11539825), (11, 7343525), (25, 3231151), (29, 2785475), (35, 2307965), (55, 1468705), (77, 1049075), (145, 557095), (175, 461593), (203, 397925), (275, 293741), (319, 253225), (385, 209815), (725, 111419), (1015, 79585), (1447, 55825), (1595, 50645), (1925, 41963), (2233, 36175), (5075, 15917), (7235, 11165), (7975, 10129)]