4453540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2476

約数の個数: 48

約数和(自身を含む): 11515392

約数和(自身を除く): 7061852

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2447, 4894, 9788, 12235, 17129, 24470, 31811, 34258, 48940, 63622, 68516, 85645, 127244, 159055, 171290, 222677, 318110, 342580, 445354, 636220, 890708, 1113385, 2226770, 4453540]

約数ペア:

[(1, 4453540), (2, 2226770), (4, 1113385), (5, 890708), (7, 636220), (10, 445354), (13, 342580), (14, 318110), (20, 222677), (26, 171290), (28, 159055), (35, 127244), (52, 85645), (65, 68516), (70, 63622), (91, 48940), (130, 34258), (140, 31811), (182, 24470), (260, 17129), (364, 12235), (455, 9788), (910, 4894), (1820, 2447)]