67718380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 145926144

約数和(自身を除く): 78207764

約数列:

[1, 2, 4, 5, 10, 20, 71, 103, 142, 206, 284, 355, 412, 463, 515, 710, 926, 1030, 1420, 1852, 2060, 2315, 4630, 7313, 9260, 14626, 29252, 32873, 36565, 47689, 65746, 73130, 95378, 131492, 146260, 164365, 190756, 238445, 328730, 476890, 657460, 953780, 3385919, 6771838, 13543676, 16929595, 33859190, 67718380]

約数ペア:

[(1, 67718380), (2, 33859190), (4, 16929595), (5, 13543676), (10, 6771838), (20, 3385919), (71, 953780), (103, 657460), (142, 476890), (206, 328730), (284, 238445), (355, 190756), (412, 164365), (463, 146260), (515, 131492), (710, 95378), (926, 73130), (1030, 65746), (1420, 47689), (1852, 36565), (2060, 32873), (2315, 29252), (4630, 14626), (7313, 9260)]