28961380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5591}}^1$

素因数の和:5644

約数の個数: 48

約数和(自身を含む): 71398656

約数和(自身を除く): 42437276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5591, 11182, 22364, 27955, 39137, 55910, 78274, 111820, 156548, 195685, 206867, 391370, 413734, 782740, 827468, 1034335, 1448069, 2068670, 2896138, 4137340, 5792276, 7240345, 14480690, 28961380]

約数ペア:

[(1, 28961380), (2, 14480690), (4, 7240345), (5, 5792276), (7, 4137340), (10, 2896138), (14, 2068670), (20, 1448069), (28, 1034335), (35, 827468), (37, 782740), (70, 413734), (74, 391370), (140, 206867), (148, 195685), (185, 156548), (259, 111820), (370, 78274), (518, 55910), (740, 39137), (1036, 27955), (1295, 22364), (2590, 11182), (5180, 5591)]