71663620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{919}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 172488960

約数和(自身を除く): 100825340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 919, 1114, 1838, 2228, 2785, 3676, 3899, 4595, 5570, 6433, 7798, 9190, 11140, 12866, 15596, 18380, 19495, 25732, 32165, 38990, 64330, 77980, 128660, 511883, 1023766, 2047532, 2559415, 3583181, 5118830, 7166362, 10237660, 14332724, 17915905, 35831810, 71663620]

約数ペア:

[(1, 71663620), (2, 35831810), (4, 17915905), (5, 14332724), (7, 10237660), (10, 7166362), (14, 5118830), (20, 3583181), (28, 2559415), (35, 2047532), (70, 1023766), (140, 511883), (557, 128660), (919, 77980), (1114, 64330), (1838, 38990), (2228, 32165), (2785, 25732), (3676, 19495), (3899, 18380), (4595, 15596), (5570, 12866), (6433, 11140), (7798, 9190)]