13900210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 26568000

約数和(自身を除く): 12667790

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 491, 745, 982, 1490, 2455, 2831, 4910, 5662, 9329, 14155, 18658, 28310, 46645, 73159, 93290, 146318, 365795, 731590, 1390021, 2780042, 6950105, 13900210]

約数ペア:

[(1, 13900210), (2, 6950105), (5, 2780042), (10, 1390021), (19, 731590), (38, 365795), (95, 146318), (149, 93290), (190, 73159), (298, 46645), (491, 28310), (745, 18658), (982, 14155), (1490, 9329), (2455, 5662), (2831, 4910)]