171760460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{617}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 373766400

約数和(自身を除く): 202005940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 449, 617, 620, 898, 1234, 1796, 2245, 2468, 3085, 4490, 6170, 8980, 12340, 13919, 19127, 27838, 38254, 55676, 69595, 76508, 95635, 139190, 191270, 277033, 278380, 382540, 554066, 1108132, 1385165, 2770330, 5540660, 8588023, 17176046, 34352092, 42940115, 85880230, 171760460]

約数ペア:

[(1, 171760460), (2, 85880230), (4, 42940115), (5, 34352092), (10, 17176046), (20, 8588023), (31, 5540660), (62, 2770330), (124, 1385165), (155, 1108132), (310, 554066), (449, 382540), (617, 278380), (620, 277033), (898, 191270), (1234, 139190), (1796, 95635), (2245, 76508), (2468, 69595), (3085, 55676), (4490, 38254), (6170, 27838), (8980, 19127), (12340, 13919)]