28923540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2447}}^1$

素因数の和:2656

約数の個数: 48

約数和(自身を含む): 81430272

約数和(自身を除く): 52506732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2447, 2955, 3940, 4894, 5910, 7341, 9788, 11820, 12235, 14682, 24470, 29364, 36705, 48940, 73410, 146820, 482059, 964118, 1446177, 1928236, 2410295, 2892354, 4820590, 5784708, 7230885, 9641180, 14461770, 28923540]

約数ペア:

[(1, 28923540), (2, 14461770), (3, 9641180), (4, 7230885), (5, 5784708), (6, 4820590), (10, 2892354), (12, 2410295), (15, 1928236), (20, 1446177), (30, 964118), (60, 482059), (197, 146820), (394, 73410), (591, 48940), (788, 36705), (985, 29364), (1182, 24470), (1970, 14682), (2364, 12235), (2447, 11820), (2955, 9788), (3940, 7341), (4894, 5910)]