2019929560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1801}}^1\times {\mathrm{2549}}^1$

素因数の和:4372

約数の個数: 64

約数和(自身を含む): 4962708000

約数和(自身を除く): 2942778440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1801, 2549, 3602, 5098, 7204, 9005, 10196, 12745, 14408, 18010, 19811, 20392, 25490, 28039, 36020, 39622, 50980, 56078, 72040, 79244, 99055, 101960, 112156, 140195, 158488, 198110, 224312, 280390, 396220, 560780, 792440, 1121560, 4590749, 9181498, 18362996, 22953745, 36725992, 45907490, 50498239, 91814980, 100996478, 183629960, 201992956, 252491195, 403985912, 504982390, 1009964780, 2019929560]

約数ペア:

[(1, 2019929560), (2, 1009964780), (4, 504982390), (5, 403985912), (8, 252491195), (10, 201992956), (11, 183629960), (20, 100996478), (22, 91814980), (40, 50498239), (44, 45907490), (55, 36725992), (88, 22953745), (110, 18362996), (220, 9181498), (440, 4590749), (1801, 1121560), (2549, 792440), (3602, 560780), (5098, 396220), (7204, 280390), (9005, 224312), (10196, 198110), (12745, 158488), (14408, 140195), (18010, 112156), (19811, 101960), (20392, 99055), (25490, 79244), (28039, 72040), (36020, 56078), (39622, 50980)]