898287620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{7507}}^1$

素因数の和:7740

約数の個数: 48

約数和(自身を含む): 1957605888

約数和(自身を除く): 1059318268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 193, 310, 386, 620, 772, 965, 1930, 3860, 5983, 7507, 11966, 15014, 23932, 29915, 30028, 37535, 59830, 75070, 119660, 150140, 232717, 465434, 930868, 1163585, 1448851, 2327170, 2897702, 4654340, 5795404, 7244255, 14488510, 28977020, 44914381, 89828762, 179657524, 224571905, 449143810, 898287620]

約数ペア:

[(1, 898287620), (2, 449143810), (4, 224571905), (5, 179657524), (10, 89828762), (20, 44914381), (31, 28977020), (62, 14488510), (124, 7244255), (155, 5795404), (193, 4654340), (310, 2897702), (386, 2327170), (620, 1448851), (772, 1163585), (965, 930868), (1930, 465434), (3860, 232717), (5983, 150140), (7507, 119660), (11966, 75070), (15014, 59830), (23932, 37535), (29915, 30028)]