68769890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 145939968

約数和(自身を除く): 77170078

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 101, 137, 142, 202, 274, 355, 497, 505, 685, 707, 710, 959, 994, 1010, 1370, 1414, 1918, 2485, 3535, 4795, 4970, 7070, 7171, 9590, 9727, 13837, 14342, 19454, 27674, 35855, 48635, 50197, 68089, 69185, 71710, 96859, 97270, 100394, 136178, 138370, 193718, 250985, 340445, 484295, 501970, 680890, 968590, 982427, 1964854, 4912135, 6876989, 9824270, 13753978, 34384945, 68769890]

約数ペア:

[(1, 68769890), (2, 34384945), (5, 13753978), (7, 9824270), (10, 6876989), (14, 4912135), (35, 1964854), (70, 982427), (71, 968590), (101, 680890), (137, 501970), (142, 484295), (202, 340445), (274, 250985), (355, 193718), (497, 138370), (505, 136178), (685, 100394), (707, 97270), (710, 96859), (959, 71710), (994, 69185), (1010, 68089), (1370, 50197), (1414, 48635), (1918, 35855), (2485, 27674), (3535, 19454), (4795, 14342), (4970, 13837), (7070, 9727), (7171, 9590)]