28538940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{475649}}^1$

素因数の和:475661

約数の個数: 24

約数和(自身を含む): 79909200

約数和(自身を除く): 51370260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 475649, 951298, 1426947, 1902596, 2378245, 2853894, 4756490, 5707788, 7134735, 9512980, 14269470, 28538940]

約数ペア:

[(1, 28538940), (2, 14269470), (3, 9512980), (4, 7134735), (5, 5707788), (6, 4756490), (10, 2853894), (12, 2378245), (15, 1902596), (20, 1426947), (30, 951298), (60, 475649)]