128156901620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2389}}^1\times {\mathrm{243839}}^1$

素因数の和:246248

約数の個数: 48

約数和(自身を含む): 293719910400

約数和(自身を除く): 165563008780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2389, 4778, 9556, 11945, 23890, 26279, 47780, 52558, 105116, 131395, 243839, 262790, 487678, 525580, 975356, 1219195, 2438390, 2682229, 4876780, 5364458, 10728916, 13411145, 26822290, 53644580, 582531371, 1165062742, 2330125484, 2912656855, 5825313710, 6407845081, 11650627420, 12815690162, 25631380324, 32039225405, 64078450810, 128156901620]

約数ペア:

[(1, 128156901620), (2, 64078450810), (4, 32039225405), (5, 25631380324), (10, 12815690162), (11, 11650627420), (20, 6407845081), (22, 5825313710), (44, 2912656855), (55, 2330125484), (110, 1165062742), (220, 582531371), (2389, 53644580), (4778, 26822290), (9556, 13411145), (11945, 10728916), (23890, 5364458), (26279, 4876780), (47780, 2682229), (52558, 2438390), (105116, 1219195), (131395, 975356), (243839, 525580), (262790, 487678)]