154992580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{277}}^2$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 329897988

約数和(自身を除く): 174905408

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 277, 404, 505, 554, 1010, 1108, 1385, 2020, 2770, 5540, 27977, 55954, 76729, 111908, 139885, 153458, 279770, 306916, 383645, 559540, 767290, 1534580, 7749629, 15499258, 30998516, 38748145, 77496290, 154992580]

約数ペア:

[(1, 154992580), (2, 77496290), (4, 38748145), (5, 30998516), (10, 15499258), (20, 7749629), (101, 1534580), (202, 767290), (277, 559540), (404, 383645), (505, 306916), (554, 279770), (1010, 153458), (1108, 139885), (1385, 111908), (2020, 76729), (2770, 55954), (5540, 27977)]