70217980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 173114928

約数和(自身を除く): 102896948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 245, 274, 490, 523, 548, 685, 959, 980, 1046, 1370, 1918, 2092, 2615, 2740, 3661, 3836, 4795, 5230, 6713, 7322, 9590, 10460, 13426, 14644, 18305, 19180, 25627, 26852, 33565, 36610, 51254, 67130, 71651, 73220, 102508, 128135, 134260, 143302, 256270, 286604, 358255, 501557, 512540, 716510, 1003114, 1433020, 2006228, 2507785, 3510899, 5015570, 7021798, 10031140, 14043596, 17554495, 35108990, 70217980]

約数ペア:

[(1, 70217980), (2, 35108990), (4, 17554495), (5, 14043596), (7, 10031140), (10, 7021798), (14, 5015570), (20, 3510899), (28, 2507785), (35, 2006228), (49, 1433020), (70, 1003114), (98, 716510), (137, 512540), (140, 501557), (196, 358255), (245, 286604), (274, 256270), (490, 143302), (523, 134260), (548, 128135), (685, 102508), (959, 73220), (980, 71651), (1046, 67130), (1370, 51254), (1918, 36610), (2092, 33565), (2615, 26852), (2740, 25627), (3661, 19180), (3836, 18305), (4795, 14644), (5230, 13426), (6713, 10460), (7322, 9590)]