278538220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{3331}}^1$

素因数の和:3490

約数の個数: 48

約数和(自身を含む): 606237408

約数和(自身を除く): 327699188

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 113, 148, 185, 226, 370, 452, 565, 740, 1130, 2260, 3331, 4181, 6662, 8362, 13324, 16655, 16724, 20905, 33310, 41810, 66620, 83620, 123247, 246494, 376403, 492988, 616235, 752806, 1232470, 1505612, 1882015, 2464940, 3764030, 7528060, 13926911, 27853822, 55707644, 69634555, 139269110, 278538220]

約数ペア:

[(1, 278538220), (2, 139269110), (4, 69634555), (5, 55707644), (10, 27853822), (20, 13926911), (37, 7528060), (74, 3764030), (113, 2464940), (148, 1882015), (185, 1505612), (226, 1232470), (370, 752806), (452, 616235), (565, 492988), (740, 376403), (1130, 246494), (2260, 123247), (3331, 83620), (4181, 66620), (6662, 41810), (8362, 33310), (13324, 20905), (16655, 16724)]