69475780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1511}}^1$

素因数の和:1561

約数の個数: 72

約数和(自身を含む): 168920640

約数和(自身を除く): 99444860

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 1511, 2090, 2299, 2420, 3022, 4180, 4598, 6044, 7555, 9196, 11495, 15110, 16621, 22990, 28709, 30220, 33242, 45980, 57418, 66484, 83105, 114836, 143545, 166210, 182831, 287090, 315799, 332420, 365662, 574180, 631598, 731324, 914155, 1263196, 1578995, 1828310, 3157990, 3473789, 3656620, 6315980, 6947578, 13895156, 17368945, 34737890, 69475780]

約数ペア:

[(1, 69475780), (2, 34737890), (4, 17368945), (5, 13895156), (10, 6947578), (11, 6315980), (19, 3656620), (20, 3473789), (22, 3157990), (38, 1828310), (44, 1578995), (55, 1263196), (76, 914155), (95, 731324), (110, 631598), (121, 574180), (190, 365662), (209, 332420), (220, 315799), (242, 287090), (380, 182831), (418, 166210), (484, 143545), (605, 114836), (836, 83105), (1045, 66484), (1210, 57418), (1511, 45980), (2090, 33242), (2299, 30220), (2420, 28709), (3022, 22990), (4180, 16621), (4598, 15110), (6044, 11495), (7555, 9196)]