268452020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1\times {\mathrm{727}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 580944000

約数和(自身を除く): 312491980

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 499, 727, 740, 998, 1454, 1996, 2495, 2908, 3635, 4990, 7270, 9980, 14540, 18463, 26899, 36926, 53798, 73852, 92315, 107596, 134495, 184630, 268990, 362773, 369260, 537980, 725546, 1451092, 1813865, 3627730, 7255460, 13422601, 26845202, 53690404, 67113005, 134226010, 268452020]

約数ペア:

[(1, 268452020), (2, 134226010), (4, 67113005), (5, 53690404), (10, 26845202), (20, 13422601), (37, 7255460), (74, 3627730), (148, 1813865), (185, 1451092), (370, 725546), (499, 537980), (727, 369260), (740, 362773), (998, 268990), (1454, 184630), (1996, 134495), (2495, 107596), (2908, 92315), (3635, 73852), (4990, 53798), (7270, 36926), (9980, 26899), (14540, 18463)]