79640380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2251}}^1$

素因数の和:2350

約数の個数: 48

約数和(自身を含む): 175926240

約数和(自身を除く): 96285860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 2251, 3538, 4502, 7076, 8845, 9004, 11255, 17690, 22510, 35380, 45020, 65279, 130558, 137311, 261116, 274622, 326395, 549244, 652790, 686555, 1305580, 1373110, 2746220, 3982019, 7964038, 15928076, 19910095, 39820190, 79640380]

約数ペア:

[(1, 79640380), (2, 39820190), (4, 19910095), (5, 15928076), (10, 7964038), (20, 3982019), (29, 2746220), (58, 1373110), (61, 1305580), (116, 686555), (122, 652790), (145, 549244), (244, 326395), (290, 274622), (305, 261116), (580, 137311), (610, 130558), (1220, 65279), (1769, 45020), (2251, 35380), (3538, 22510), (4502, 17690), (7076, 11255), (8845, 9004)]