17487140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 40509504

約数和(自身を除く): 23022364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 787, 1010, 1111, 1574, 2020, 2222, 3148, 3935, 4444, 5555, 7870, 8657, 11110, 15740, 17314, 22220, 34628, 43285, 79487, 86570, 158974, 173140, 317948, 397435, 794870, 874357, 1589740, 1748714, 3497428, 4371785, 8743570, 17487140]

約数ペア:

[(1, 17487140), (2, 8743570), (4, 4371785), (5, 3497428), (10, 1748714), (11, 1589740), (20, 874357), (22, 794870), (44, 397435), (55, 317948), (101, 173140), (110, 158974), (202, 86570), (220, 79487), (404, 43285), (505, 34628), (787, 22220), (1010, 17314), (1111, 15740), (1574, 11110), (2020, 8657), (2222, 7870), (3148, 5555), (3935, 4444)]