2019487930

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1\times {\mathrm{4007}}^1$

素因数の和:4614

約数の個数: 32

約数和(自身を含む): 3679344000

約数和(自身を除く): 1659856070

約数列:

[1, 2, 5, 10, 101, 202, 499, 505, 998, 1010, 2495, 4007, 4990, 8014, 20035, 40070, 50399, 100798, 251995, 404707, 503990, 809414, 1999493, 2023535, 3998986, 4047070, 9997465, 19994930, 201948793, 403897586, 1009743965, 2019487930]

約数ペア:

[(1, 2019487930), (2, 1009743965), (5, 403897586), (10, 201948793), (101, 19994930), (202, 9997465), (499, 4047070), (505, 3998986), (998, 2023535), (1010, 1999493), (2495, 809414), (4007, 503990), (4990, 404707), (8014, 251995), (20035, 100798), (40070, 50399)]