228165580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{971}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 496419840

約数和(自身を除く): 268254260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 379, 620, 758, 971, 1516, 1895, 1942, 3790, 3884, 4855, 7580, 9710, 11749, 19420, 23498, 30101, 46996, 58745, 60202, 117490, 120404, 150505, 234980, 301010, 368009, 602020, 736018, 1472036, 1840045, 3680090, 7360180, 11408279, 22816558, 45633116, 57041395, 114082790, 228165580]

約数ペア:

[(1, 228165580), (2, 114082790), (4, 57041395), (5, 45633116), (10, 22816558), (20, 11408279), (31, 7360180), (62, 3680090), (124, 1840045), (155, 1472036), (310, 736018), (379, 602020), (620, 368009), (758, 301010), (971, 234980), (1516, 150505), (1895, 120404), (1942, 117490), (3790, 60202), (3884, 58745), (4855, 46996), (7580, 30101), (9710, 23498), (11749, 19420)]