64712260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 140709744

約数和(自身を除く): 75997484

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 314, 370, 557, 628, 740, 785, 1114, 1570, 2228, 2785, 3140, 5570, 5809, 11140, 11618, 20609, 23236, 29045, 41218, 58090, 82436, 87449, 103045, 116180, 174898, 206090, 349796, 412180, 437245, 874490, 1748980, 3235613, 6471226, 12942452, 16178065, 32356130, 64712260]

約数ペア:

[(1, 64712260), (2, 32356130), (4, 16178065), (5, 12942452), (10, 6471226), (20, 3235613), (37, 1748980), (74, 874490), (148, 437245), (157, 412180), (185, 349796), (314, 206090), (370, 174898), (557, 116180), (628, 103045), (740, 87449), (785, 82436), (1114, 58090), (1570, 41218), (2228, 29045), (2785, 23236), (3140, 20609), (5570, 11618), (5809, 11140)]