61649420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1637}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 148599360

約数和(自身を除く): 86949940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1637, 1883, 2690, 3274, 3766, 5380, 6548, 7532, 8185, 9415, 11459, 16370, 18830, 22918, 32740, 37660, 45836, 57295, 114590, 229180, 440353, 880706, 1761412, 2201765, 3082471, 4403530, 6164942, 8807060, 12329884, 15412355, 30824710, 61649420]

約数ペア:

[(1, 61649420), (2, 30824710), (4, 15412355), (5, 12329884), (7, 8807060), (10, 6164942), (14, 4403530), (20, 3082471), (28, 2201765), (35, 1761412), (70, 880706), (140, 440353), (269, 229180), (538, 114590), (1076, 57295), (1345, 45836), (1637, 37660), (1883, 32740), (2690, 22918), (3274, 18830), (3766, 16370), (5380, 11459), (6548, 9415), (7532, 8185)]