145802980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{13781}}^1$

素因数の和:13836

約数の個数: 36

約数和(自身を含む): 320100732

約数和(自身を除く): 174297752

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 5290, 10580, 13781, 27562, 55124, 68905, 137810, 275620, 316963, 633926, 1267852, 1584815, 3169630, 6339260, 7290149, 14580298, 29160596, 36450745, 72901490, 145802980]

約数ペア:

[(1, 145802980), (2, 72901490), (4, 36450745), (5, 29160596), (10, 14580298), (20, 7290149), (23, 6339260), (46, 3169630), (92, 1584815), (115, 1267852), (230, 633926), (460, 316963), (529, 275620), (1058, 137810), (2116, 68905), (2645, 55124), (5290, 27562), (10580, 13781)]