121470820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{761}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 267297408

約数和(自身を除く): 145826588

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 347, 460, 694, 761, 1388, 1522, 1735, 3044, 3470, 3805, 6940, 7610, 7981, 15220, 15962, 17503, 31924, 35006, 39905, 70012, 79810, 87515, 159620, 175030, 264067, 350060, 528134, 1056268, 1320335, 2640670, 5281340, 6073541, 12147082, 24294164, 30367705, 60735410, 121470820]

約数ペア:

[(1, 121470820), (2, 60735410), (4, 30367705), (5, 24294164), (10, 12147082), (20, 6073541), (23, 5281340), (46, 2640670), (92, 1320335), (115, 1056268), (230, 528134), (347, 350060), (460, 264067), (694, 175030), (761, 159620), (1388, 87515), (1522, 79810), (1735, 70012), (3044, 39905), (3470, 35006), (3805, 31924), (6940, 17503), (7610, 15962), (7981, 15220)]