87009940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 188762112

約数和(自身を除く): 101752172

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 307, 370, 383, 614, 740, 766, 1228, 1532, 1535, 1915, 3070, 3830, 6140, 7660, 11359, 14171, 22718, 28342, 45436, 56684, 56795, 70855, 113590, 117581, 141710, 227180, 235162, 283420, 470324, 587905, 1175810, 2351620, 4350497, 8700994, 17401988, 21752485, 43504970, 87009940]

約数ペア:

[(1, 87009940), (2, 43504970), (4, 21752485), (5, 17401988), (10, 8700994), (20, 4350497), (37, 2351620), (74, 1175810), (148, 587905), (185, 470324), (307, 283420), (370, 235162), (383, 227180), (614, 141710), (740, 117581), (766, 113590), (1228, 70855), (1532, 56795), (1535, 56684), (1915, 45436), (3070, 28342), (3830, 22718), (6140, 14171), (7660, 11359)]