131284236820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{829}}^1\times {\mathrm{719839}}^1$

素因数の和:720688

約数の個数: 48

約数和(自身を含む): 301123468800

約数和(自身を除く): 169839231980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 829, 1658, 3316, 4145, 8290, 9119, 16580, 18238, 36476, 45595, 91190, 182380, 719839, 1439678, 2879356, 3599195, 7198390, 7918229, 14396780, 15836458, 31672916, 39591145, 79182290, 158364580, 596746531, 1193493062, 2386986124, 2983732655, 5967465310, 6564211841, 11934930620, 13128423682, 26256847364, 32821059205, 65642118410, 131284236820]

約数ペア:

[(1, 131284236820), (2, 65642118410), (4, 32821059205), (5, 26256847364), (10, 13128423682), (11, 11934930620), (20, 6564211841), (22, 5967465310), (44, 2983732655), (55, 2386986124), (110, 1193493062), (220, 596746531), (829, 158364580), (1658, 79182290), (3316, 39591145), (4145, 31672916), (8290, 15836458), (9119, 14396780), (16580, 7918229), (18238, 7198390), (36476, 3599195), (45595, 2879356), (91190, 1439678), (182380, 719839)]