29970740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 65442384

約数和(自身を除く): 35471644

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 101, 148, 185, 202, 370, 401, 404, 505, 740, 802, 1010, 1604, 2005, 2020, 3737, 4010, 7474, 8020, 14837, 14948, 18685, 29674, 37370, 40501, 59348, 74185, 74740, 81002, 148370, 162004, 202505, 296740, 405010, 810020, 1498537, 2997074, 5994148, 7492685, 14985370, 29970740]

約数ペア:

[(1, 29970740), (2, 14985370), (4, 7492685), (5, 5994148), (10, 2997074), (20, 1498537), (37, 810020), (74, 405010), (101, 296740), (148, 202505), (185, 162004), (202, 148370), (370, 81002), (401, 74740), (404, 74185), (505, 59348), (740, 40501), (802, 37370), (1010, 29674), (1604, 18685), (2005, 14948), (2020, 14837), (3737, 8020), (4010, 7474)]