853187780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{8537}}^1$

素因数の和:8828

約数の個数: 48

約数和(自身を含む): 1893386880

約数和(自身を除く): 1040199100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 263, 380, 526, 1052, 1315, 2630, 4997, 5260, 8537, 9994, 17074, 19988, 24985, 34148, 42685, 49970, 85370, 99940, 162203, 170740, 324406, 648812, 811015, 1622030, 2245231, 3244060, 4490462, 8980924, 11226155, 22452310, 42659389, 44904620, 85318778, 170637556, 213296945, 426593890, 853187780]

約数ペア:

[(1, 853187780), (2, 426593890), (4, 213296945), (5, 170637556), (10, 85318778), (19, 44904620), (20, 42659389), (38, 22452310), (76, 11226155), (95, 8980924), (190, 4490462), (263, 3244060), (380, 2245231), (526, 1622030), (1052, 811015), (1315, 648812), (2630, 324406), (4997, 170740), (5260, 162203), (8537, 99940), (9994, 85370), (17074, 49970), (19988, 42685), (24985, 34148)]