1559897740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{823}}^1\times {\mathrm{977}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 3316969152

約数和(自身を除く): 1757071412

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 823, 970, 977, 1646, 1940, 1954, 3292, 3908, 4115, 4885, 8230, 9770, 16460, 19540, 79831, 94769, 159662, 189538, 319324, 379076, 399155, 473845, 798310, 804071, 947690, 1596620, 1608142, 1895380, 3216284, 4020355, 8040710, 16081420, 77994887, 155989774, 311979548, 389974435, 779948870, 1559897740]

約数ペア:

[(1, 1559897740), (2, 779948870), (4, 389974435), (5, 311979548), (10, 155989774), (20, 77994887), (97, 16081420), (194, 8040710), (388, 4020355), (485, 3216284), (823, 1895380), (970, 1608142), (977, 1596620), (1646, 947690), (1940, 804071), (1954, 798310), (3292, 473845), (3908, 399155), (4115, 379076), (4885, 319324), (8230, 189538), (9770, 159662), (16460, 94769), (19540, 79831)]