13785500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 30576000

約数和(自身を除く): 16790500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 349, 395, 500, 698, 790, 1396, 1580, 1745, 1975, 3490, 3950, 6980, 7900, 8725, 9875, 17450, 19750, 27571, 34900, 39500, 43625, 55142, 87250, 110284, 137855, 174500, 275710, 551420, 689275, 1378550, 2757100, 3446375, 6892750, 13785500]

約数ペア:

[(1, 13785500), (2, 6892750), (4, 3446375), (5, 2757100), (10, 1378550), (20, 689275), (25, 551420), (50, 275710), (79, 174500), (100, 137855), (125, 110284), (158, 87250), (250, 55142), (316, 43625), (349, 39500), (395, 34900), (500, 27571), (698, 19750), (790, 17450), (1396, 9875), (1580, 8725), (1745, 7900), (1975, 6980), (3490, 3950)]