2757100

素因数分解:

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

素因数の和:442

約数の個数: 36

約数和(自身を含む): 6076000

約数和(自身を除く): 3318900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 349, 395, 698, 790, 1396, 1580, 1745, 1975, 3490, 3950, 6980, 7900, 8725, 17450, 27571, 34900, 55142, 110284, 137855, 275710, 551420, 689275, 1378550, 2757100]

約数ペア:

[(1, 2757100), (2, 1378550), (4, 689275), (5, 551420), (10, 275710), (20, 137855), (25, 110284), (50, 55142), (79, 34900), (100, 27571), (158, 17450), (316, 8725), (349, 7900), (395, 6980), (698, 3950), (790, 3490), (1396, 1975), (1580, 1745)]