221956920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{616547}}^1$

素因数の和:616564

約数の個数: 48

約数和(自身を含む): 721361160

約数和(自身を除く): 499404240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 616547, 1233094, 1849641, 2466188, 3082735, 3699282, 4932376, 5548923, 6165470, 7398564, 9248205, 11097846, 12330940, 14797128, 18496410, 22195692, 24661880, 27744615, 36992820, 44391384, 55489230, 73985640, 110978460, 221956920]

約数ペア:

[(1, 221956920), (2, 110978460), (3, 73985640), (4, 55489230), (5, 44391384), (6, 36992820), (8, 27744615), (9, 24661880), (10, 22195692), (12, 18496410), (15, 14797128), (18, 12330940), (20, 11097846), (24, 9248205), (30, 7398564), (36, 6165470), (40, 5548923), (45, 4932376), (60, 3699282), (72, 3082735), (90, 2466188), (120, 1849641), (180, 1233094), (360, 616547)]