91478020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2381}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 205290288

約数和(自身を除く): 113812268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 565, 1130, 1921, 2260, 2381, 3842, 4762, 7684, 9524, 9605, 11905, 19210, 23810, 38420, 40477, 47620, 80954, 161908, 202385, 269053, 404770, 538106, 809540, 1076212, 1345265, 2690530, 4573901, 5381060, 9147802, 18295604, 22869505, 45739010, 91478020]

約数ペア:

[(1, 91478020), (2, 45739010), (4, 22869505), (5, 18295604), (10, 9147802), (17, 5381060), (20, 4573901), (34, 2690530), (68, 1345265), (85, 1076212), (113, 809540), (170, 538106), (226, 404770), (340, 269053), (452, 202385), (565, 161908), (1130, 80954), (1921, 47620), (2260, 40477), (2381, 38420), (3842, 23810), (4762, 19210), (7684, 11905), (9524, 9605)]