11281000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 27378000

約数和(自身を除く): 16097000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 389, 500, 580, 725, 778, 1000, 1160, 1450, 1556, 1945, 2900, 3112, 3625, 3890, 5800, 7250, 7780, 9725, 11281, 14500, 15560, 19450, 22562, 29000, 38900, 45124, 48625, 56405, 77800, 90248, 97250, 112810, 194500, 225620, 282025, 389000, 451240, 564050, 1128100, 1410125, 2256200, 2820250, 5640500, 11281000]

約数ペア:

[(1, 11281000), (2, 5640500), (4, 2820250), (5, 2256200), (8, 1410125), (10, 1128100), (20, 564050), (25, 451240), (29, 389000), (40, 282025), (50, 225620), (58, 194500), (100, 112810), (116, 97250), (125, 90248), (145, 77800), (200, 56405), (232, 48625), (250, 45124), (290, 38900), (389, 29000), (500, 22562), (580, 19450), (725, 15560), (778, 14500), (1000, 11281), (1160, 9725), (1450, 7780), (1556, 7250), (1945, 5800), (2900, 3890), (3112, 3625)]