1378550

素因数分解:

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

素因数の和:440

約数の個数: 24

約数和(自身を含む): 2604000

約数和(自身を除く): 1225450

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 349, 395, 698, 790, 1745, 1975, 3490, 3950, 8725, 17450, 27571, 55142, 137855, 275710, 689275, 1378550]

約数ペア:

[(1, 1378550), (2, 689275), (5, 275710), (10, 137855), (25, 55142), (50, 27571), (79, 17450), (158, 8725), (349, 3950), (395, 3490), (698, 1975), (790, 1745)]