813740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 1874880

約数和(自身を除く): 1061140

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 61, 92, 115, 116, 122, 145, 230, 244, 290, 305, 460, 580, 610, 667, 1220, 1334, 1403, 1769, 2668, 2806, 3335, 3538, 5612, 6670, 7015, 7076, 8845, 13340, 14030, 17690, 28060, 35380, 40687, 81374, 162748, 203435, 406870, 813740]

約数ペア:

[(1, 813740), (2, 406870), (4, 203435), (5, 162748), (10, 81374), (20, 40687), (23, 35380), (29, 28060), (46, 17690), (58, 14030), (61, 13340), (92, 8845), (115, 7076), (116, 7015), (122, 6670), (145, 5612), (230, 3538), (244, 3335), (290, 2806), (305, 2668), (460, 1769), (580, 1403), (610, 1334), (667, 1220)]