31465540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 68698224

約数和(自身を除く): 37232684

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 101, 148, 185, 202, 370, 404, 421, 505, 740, 842, 1010, 1684, 2020, 2105, 3737, 4210, 7474, 8420, 14948, 15577, 18685, 31154, 37370, 42521, 62308, 74740, 77885, 85042, 155770, 170084, 212605, 311540, 425210, 850420, 1573277, 3146554, 6293108, 7866385, 15732770, 31465540]

約数ペア:

[(1, 31465540), (2, 15732770), (4, 7866385), (5, 6293108), (10, 3146554), (20, 1573277), (37, 850420), (74, 425210), (101, 311540), (148, 212605), (185, 170084), (202, 155770), (370, 85042), (404, 77885), (421, 74740), (505, 62308), (740, 42521), (842, 37370), (1010, 31154), (1684, 18685), (2020, 15577), (2105, 14948), (3737, 8420), (4210, 7474)]