615536420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1\times {\mathrm{661}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 1310235696

約数和(自身を除く): 694699276

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 461, 505, 661, 922, 1010, 1322, 1844, 2020, 2305, 2644, 3305, 4610, 6610, 9220, 13220, 46561, 66761, 93122, 133522, 186244, 232805, 267044, 304721, 333805, 465610, 609442, 667610, 931220, 1218884, 1335220, 1523605, 3047210, 6094420, 30776821, 61553642, 123107284, 153884105, 307768210, 615536420]

約数ペア:

[(1, 615536420), (2, 307768210), (4, 153884105), (5, 123107284), (10, 61553642), (20, 30776821), (101, 6094420), (202, 3047210), (404, 1523605), (461, 1335220), (505, 1218884), (661, 931220), (922, 667610), (1010, 609442), (1322, 465610), (1844, 333805), (2020, 304721), (2305, 267044), (2644, 232805), (3305, 186244), (4610, 133522), (6610, 93122), (9220, 66761), (13220, 46561)]