1911823240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{537029}}^1$

素因数の和:537129

約数の個数: 32

約数和(自身を含む): 4349943000

約数和(自身を除く): 2438119760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 537029, 1074058, 2148116, 2685145, 4296232, 5370290, 10740580, 21481160, 47795581, 95591162, 191182324, 238977905, 382364648, 477955810, 955911620, 1911823240]

約数ペア:

[(1, 1911823240), (2, 955911620), (4, 477955810), (5, 382364648), (8, 238977905), (10, 191182324), (20, 95591162), (40, 47795581), (89, 21481160), (178, 10740580), (356, 5370290), (445, 4296232), (712, 2685145), (890, 2148116), (1780, 1074058), (3560, 537029)]