49715620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 107025408

約数和(自身を除く): 57309788

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 157, 223, 284, 314, 355, 446, 628, 710, 785, 892, 1115, 1420, 1570, 2230, 3140, 4460, 11147, 15833, 22294, 31666, 35011, 44588, 55735, 63332, 70022, 79165, 111470, 140044, 158330, 175055, 222940, 316660, 350110, 700220, 2485781, 4971562, 9943124, 12428905, 24857810, 49715620]

約数ペア:

[(1, 49715620), (2, 24857810), (4, 12428905), (5, 9943124), (10, 4971562), (20, 2485781), (71, 700220), (142, 350110), (157, 316660), (223, 222940), (284, 175055), (314, 158330), (355, 140044), (446, 111470), (628, 79165), (710, 70022), (785, 63332), (892, 55735), (1115, 44588), (1420, 35011), (1570, 31666), (2230, 22294), (3140, 15833), (4460, 11147)]