196142780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2887}}^1$

素因数の和:3018

約数の個数: 48

約数和(自身を含む): 426961920

約数和(自身を除く): 230819140

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1580, 2887, 3397, 5774, 6794, 11548, 13588, 14435, 16985, 28870, 33970, 57740, 67940, 124141, 228073, 248282, 456146, 496564, 620705, 912292, 1140365, 1241410, 2280730, 2482820, 4561460, 9807139, 19614278, 39228556, 49035695, 98071390, 196142780]

約数ペア:

[(1, 196142780), (2, 98071390), (4, 49035695), (5, 39228556), (10, 19614278), (20, 9807139), (43, 4561460), (79, 2482820), (86, 2280730), (158, 1241410), (172, 1140365), (215, 912292), (316, 620705), (395, 496564), (430, 456146), (790, 248282), (860, 228073), (1580, 124141), (2887, 67940), (3397, 57740), (5774, 33970), (6794, 28870), (11548, 16985), (13588, 14435)]