28327180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 71995392

約数和(自身を除く): 43668212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 107, 122, 124, 140, 155, 214, 217, 244, 305, 310, 427, 428, 434, 535, 610, 620, 749, 854, 868, 1070, 1085, 1220, 1498, 1708, 1891, 2135, 2140, 2170, 2996, 3317, 3745, 3782, 4270, 4340, 6527, 6634, 7490, 7564, 8540, 9455, 13054, 13237, 13268, 14980, 16585, 18910, 23219, 26108, 26474, 32635, 33170, 37820, 45689, 46438, 52948, 65270, 66185, 66340, 91378, 92876, 116095, 130540, 132370, 182756, 202337, 228445, 232190, 264740, 404674, 456890, 464380, 809348, 913780, 1011685, 1416359, 2023370, 2832718, 4046740, 5665436, 7081795, 14163590, 28327180]

約数ペア:

[(1, 28327180), (2, 14163590), (4, 7081795), (5, 5665436), (7, 4046740), (10, 2832718), (14, 2023370), (20, 1416359), (28, 1011685), (31, 913780), (35, 809348), (61, 464380), (62, 456890), (70, 404674), (107, 264740), (122, 232190), (124, 228445), (140, 202337), (155, 182756), (214, 132370), (217, 130540), (244, 116095), (305, 92876), (310, 91378), (427, 66340), (428, 66185), (434, 65270), (535, 52948), (610, 46438), (620, 45689), (749, 37820), (854, 33170), (868, 32635), (1070, 26474), (1085, 26108), (1220, 23219), (1498, 18910), (1708, 16585), (1891, 14980), (2135, 13268), (2140, 13237), (2170, 13054), (2996, 9455), (3317, 8540), (3745, 7564), (3782, 7490), (4270, 6634), (4340, 6527)]