17285380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 41723136

約数和(自身を除く): 24437756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 397, 622, 794, 1244, 1555, 1588, 1985, 2177, 2779, 3110, 3970, 4354, 5558, 6220, 7940, 8708, 10885, 11116, 13895, 21770, 27790, 43540, 55580, 123467, 246934, 493868, 617335, 864269, 1234670, 1728538, 2469340, 3457076, 4321345, 8642690, 17285380]

約数ペア:

[(1, 17285380), (2, 8642690), (4, 4321345), (5, 3457076), (7, 2469340), (10, 1728538), (14, 1234670), (20, 864269), (28, 617335), (35, 493868), (70, 246934), (140, 123467), (311, 55580), (397, 43540), (622, 27790), (794, 21770), (1244, 13895), (1555, 11116), (1588, 10885), (1985, 8708), (2177, 7940), (2779, 6220), (3110, 5558), (3970, 4354)]