201412580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1993}}^1$

素因数の和:2196

約数の個数: 48

約数和(自身を含む): 439509504

約数和(自身を除く): 238096924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 815, 1630, 1993, 3260, 3986, 5053, 7972, 9965, 10106, 19930, 20212, 25265, 39860, 50530, 61783, 101060, 123566, 247132, 308915, 324859, 617830, 649718, 1235660, 1299436, 1624295, 3248590, 6497180, 10070629, 20141258, 40282516, 50353145, 100706290, 201412580]

約数ペア:

[(1, 201412580), (2, 100706290), (4, 50353145), (5, 40282516), (10, 20141258), (20, 10070629), (31, 6497180), (62, 3248590), (124, 1624295), (155, 1299436), (163, 1235660), (310, 649718), (326, 617830), (620, 324859), (652, 308915), (815, 247132), (1630, 123566), (1993, 101060), (3260, 61783), (3986, 50530), (5053, 39860), (7972, 25265), (9965, 20212), (10106, 19930)]