121900520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{435359}}^1$

素因数の和:435377

約数の個数: 32

約数和(自身を含む): 313459200

約数和(自身を除く): 191558680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 435359, 870718, 1741436, 2176795, 3047513, 3482872, 4353590, 6095026, 8707180, 12190052, 15237565, 17414360, 24380104, 30475130, 60950260, 121900520]

約数ペア:

[(1, 121900520), (2, 60950260), (4, 30475130), (5, 24380104), (7, 17414360), (8, 15237565), (10, 12190052), (14, 8707180), (20, 6095026), (28, 4353590), (35, 3482872), (40, 3047513), (56, 2176795), (70, 1741436), (140, 870718), (280, 435359)]