31154380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 68302080

約数和(自身を除く): 37147700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 461, 545, 620, 922, 1090, 1844, 2180, 2305, 3379, 4610, 6758, 9220, 13516, 14291, 16895, 28582, 33790, 50249, 57164, 67580, 71455, 100498, 142910, 200996, 251245, 285820, 502490, 1004980, 1557719, 3115438, 6230876, 7788595, 15577190, 31154380]

約数ペア:

[(1, 31154380), (2, 15577190), (4, 7788595), (5, 6230876), (10, 3115438), (20, 1557719), (31, 1004980), (62, 502490), (109, 285820), (124, 251245), (155, 200996), (218, 142910), (310, 100498), (436, 71455), (461, 67580), (545, 57164), (620, 50249), (922, 33790), (1090, 28582), (1844, 16895), (2180, 14291), (2305, 13516), (3379, 9220), (4610, 6758)]