898015250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1301}}^1$

素因数の和:1580

約数の個数: 64

約数和(自身を含む): 1842632064

約数和(自身を除く): 944616814

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 251, 275, 502, 550, 1255, 1301, 1375, 2510, 2602, 2750, 2761, 5522, 6275, 6505, 12550, 13010, 13805, 14311, 27610, 28622, 31375, 32525, 62750, 65050, 69025, 71555, 138050, 143110, 162625, 325250, 326551, 345125, 357775, 653102, 690250, 715550, 1632755, 1788875, 3265510, 3577750, 3592061, 7184122, 8163775, 16327550, 17960305, 35920610, 40818875, 81637750, 89801525, 179603050, 449007625, 898015250]

約数ペア:

[(1, 898015250), (2, 449007625), (5, 179603050), (10, 89801525), (11, 81637750), (22, 40818875), (25, 35920610), (50, 17960305), (55, 16327550), (110, 8163775), (125, 7184122), (250, 3592061), (251, 3577750), (275, 3265510), (502, 1788875), (550, 1632755), (1255, 715550), (1301, 690250), (1375, 653102), (2510, 357775), (2602, 345125), (2750, 326551), (2761, 325250), (5522, 162625), (6275, 143110), (6505, 138050), (12550, 71555), (13010, 69025), (13805, 65050), (14311, 62750), (27610, 32525), (28622, 31375)]