7989740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 19111680

約数和(自身を除く): 11121940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1579, 2530, 3158, 5060, 6316, 7895, 15790, 17369, 31580, 34738, 36317, 69476, 72634, 86845, 145268, 173690, 181585, 347380, 363170, 399487, 726340, 798974, 1597948, 1997435, 3994870, 7989740]

約数ペア:

[(1, 7989740), (2, 3994870), (4, 1997435), (5, 1597948), (10, 798974), (11, 726340), (20, 399487), (22, 363170), (23, 347380), (44, 181585), (46, 173690), (55, 145268), (92, 86845), (110, 72634), (115, 69476), (220, 36317), (230, 34738), (253, 31580), (460, 17369), (506, 15790), (1012, 7895), (1265, 6316), (1579, 5060), (2530, 3158)]