503947580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{787}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 1073501856

約数和(自身を除く): 569554276

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 317, 404, 505, 634, 787, 1010, 1268, 1574, 1585, 2020, 3148, 3170, 3935, 6340, 7870, 15740, 32017, 64034, 79487, 128068, 158974, 160085, 249479, 317948, 320170, 397435, 498958, 640340, 794870, 997916, 1247395, 1589740, 2494790, 4989580, 25197379, 50394758, 100789516, 125986895, 251973790, 503947580]

約数ペア:

[(1, 503947580), (2, 251973790), (4, 125986895), (5, 100789516), (10, 50394758), (20, 25197379), (101, 4989580), (202, 2494790), (317, 1589740), (404, 1247395), (505, 997916), (634, 794870), (787, 640340), (1010, 498958), (1268, 397435), (1574, 320170), (1585, 317948), (2020, 249479), (3148, 160085), (3170, 158974), (3935, 128068), (6340, 79487), (7870, 64034), (15740, 32017)]