31020730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 63559944

約数和(自身を除く): 32539214

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 661, 722, 1235, 1322, 1805, 2470, 3305, 3610, 4693, 6610, 8593, 9386, 12559, 17186, 23465, 25118, 42965, 46930, 62795, 85930, 125590, 163267, 238621, 326534, 477242, 816335, 1193105, 1632670, 2386210, 3102073, 6204146, 15510365, 31020730]

約数ペア:

[(1, 31020730), (2, 15510365), (5, 6204146), (10, 3102073), (13, 2386210), (19, 1632670), (26, 1193105), (38, 816335), (65, 477242), (95, 326534), (130, 238621), (190, 163267), (247, 125590), (361, 85930), (494, 62795), (661, 46930), (722, 42965), (1235, 25118), (1322, 23465), (1805, 17186), (2470, 12559), (3305, 9386), (3610, 8593), (4693, 6610)]