12284420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 26925696

約数和(自身を除く): 14641276

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 211, 284, 355, 410, 422, 710, 820, 844, 1055, 1420, 2110, 2911, 4220, 5822, 8651, 11644, 14555, 14981, 17302, 29110, 29962, 34604, 43255, 58220, 59924, 74905, 86510, 149810, 173020, 299620, 614221, 1228442, 2456884, 3071105, 6142210, 12284420]

約数ペア:

[(1, 12284420), (2, 6142210), (4, 3071105), (5, 2456884), (10, 1228442), (20, 614221), (41, 299620), (71, 173020), (82, 149810), (142, 86510), (164, 74905), (205, 59924), (211, 58220), (284, 43255), (355, 34604), (410, 29962), (422, 29110), (710, 17302), (820, 14981), (844, 14555), (1055, 11644), (1420, 8651), (2110, 5822), (2911, 4220)]