31764380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 70156800

約数和(自身を除く): 38392420

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 347, 398, 460, 694, 796, 995, 1388, 1735, 1990, 3470, 3980, 4577, 6940, 7981, 9154, 15962, 18308, 22885, 31924, 39905, 45770, 69053, 79810, 91540, 138106, 159620, 276212, 345265, 690530, 1381060, 1588219, 3176438, 6352876, 7941095, 15882190, 31764380]

約数ペア:

[(1, 31764380), (2, 15882190), (4, 7941095), (5, 6352876), (10, 3176438), (20, 1588219), (23, 1381060), (46, 690530), (92, 345265), (115, 276212), (199, 159620), (230, 138106), (347, 91540), (398, 79810), (460, 69053), (694, 45770), (796, 39905), (995, 31924), (1388, 22885), (1735, 18308), (1990, 15962), (3470, 9154), (3980, 7981), (4577, 6940)]