78066940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5521}}^1$

素因数の和:5638

約数の個数: 48

約数和(自身を含む): 189249984

約数和(自身を除く): 111183044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 5521, 7070, 11042, 14140, 22084, 27605, 38647, 55210, 77294, 110420, 154588, 193235, 386470, 557621, 772940, 1115242, 2230484, 2788105, 3903347, 5576210, 7806694, 11152420, 15613388, 19516735, 39033470, 78066940]

約数ペア:

[(1, 78066940), (2, 39033470), (4, 19516735), (5, 15613388), (7, 11152420), (10, 7806694), (14, 5576210), (20, 3903347), (28, 2788105), (35, 2230484), (70, 1115242), (101, 772940), (140, 557621), (202, 386470), (404, 193235), (505, 154588), (707, 110420), (1010, 77294), (1414, 55210), (2020, 38647), (2828, 27605), (3535, 22084), (5521, 14140), (7070, 11042)]