199944940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{769019}}^1$

素因数の和:769041

約数の個数: 24

約数和(自身を含む): 452183760

約数和(自身を除く): 252238820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 769019, 1538038, 3076076, 3845095, 7690190, 9997247, 15380380, 19994494, 39988988, 49986235, 99972470, 199944940]

約数ペア:

[(1, 199944940), (2, 99972470), (4, 49986235), (5, 39988988), (10, 19994494), (13, 15380380), (20, 9997247), (26, 7690190), (52, 3845095), (65, 3076076), (130, 1538038), (260, 769019)]