2099247680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{345271}}^1$

素因数の和:345307

約数の個数: 56

約数和(自身を含む): 5261945280

約数和(自身を除く): 3162697600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 345271, 690542, 1381084, 1726355, 2762168, 3452710, 5524336, 6560149, 6905420, 11048672, 13120298, 13810840, 22097344, 26240596, 27621680, 32800745, 52481192, 55243360, 65601490, 104962384, 110486720, 131202980, 209924768, 262405960, 419849536, 524811920, 1049623840, 2099247680]

約数ペア:

[(1, 2099247680), (2, 1049623840), (4, 524811920), (5, 419849536), (8, 262405960), (10, 209924768), (16, 131202980), (19, 110486720), (20, 104962384), (32, 65601490), (38, 55243360), (40, 52481192), (64, 32800745), (76, 27621680), (80, 26240596), (95, 22097344), (152, 13810840), (160, 13120298), (190, 11048672), (304, 6905420), (320, 6560149), (380, 5524336), (608, 3452710), (760, 2762168), (1216, 1726355), (1520, 1381084), (3040, 690542), (6080, 345271)]