176402980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1709}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 400181040

約数和(自身を除く): 223778060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 794, 1588, 1709, 1985, 3418, 3970, 5161, 6836, 7940, 8545, 10322, 17090, 20644, 22217, 25805, 34180, 44434, 51610, 88868, 103220, 111085, 222170, 444340, 678473, 1356946, 2713892, 3392365, 6784730, 8820149, 13569460, 17640298, 35280596, 44100745, 88201490, 176402980]

約数ペア:

[(1, 176402980), (2, 88201490), (4, 44100745), (5, 35280596), (10, 17640298), (13, 13569460), (20, 8820149), (26, 6784730), (52, 3392365), (65, 2713892), (130, 1356946), (260, 678473), (397, 444340), (794, 222170), (1588, 111085), (1709, 103220), (1985, 88868), (3418, 51610), (3970, 44434), (5161, 34180), (6836, 25805), (7940, 22217), (8545, 20644), (10322, 17090)]