831461020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{68041}}^1$

素因数の和:68110

約数の個数: 48

約数和(自身を含む): 1920417408

約数和(自身を除く): 1088956388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 68041, 136082, 272164, 340205, 680410, 884533, 1360820, 1769066, 3197927, 3538132, 4422665, 6395854, 8845330, 12791708, 15989635, 17690660, 31979270, 41573051, 63958540, 83146102, 166292204, 207865255, 415730510, 831461020]

約数ペア:

[(1, 831461020), (2, 415730510), (4, 207865255), (5, 166292204), (10, 83146102), (13, 63958540), (20, 41573051), (26, 31979270), (47, 17690660), (52, 15989635), (65, 12791708), (94, 8845330), (130, 6395854), (188, 4422665), (235, 3538132), (260, 3197927), (470, 1769066), (611, 1360820), (940, 884533), (1222, 680410), (2444, 340205), (3055, 272164), (6110, 136082), (12220, 68041)]