248796860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{8779}}^1$

素因数の和:8910

約数の個数: 48

約数和(自身を含む): 567890400

約数和(自身を除く): 319093540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 8779, 14170, 17558, 28340, 35116, 43895, 87790, 114127, 175580, 228254, 456508, 570635, 956911, 1141270, 1913822, 2282540, 3827644, 4784555, 9569110, 12439843, 19138220, 24879686, 49759372, 62199215, 124398430, 248796860]

約数ペア:

[(1, 248796860), (2, 124398430), (4, 62199215), (5, 49759372), (10, 24879686), (13, 19138220), (20, 12439843), (26, 9569110), (52, 4784555), (65, 3827644), (109, 2282540), (130, 1913822), (218, 1141270), (260, 956911), (436, 570635), (545, 456508), (1090, 228254), (1417, 175580), (2180, 114127), (2834, 87790), (5668, 43895), (7085, 35116), (8779, 28340), (14170, 17558)]