214917760

素因数分解:

$2^7\times 5^1\times {\mathrm{335809}}^1$

素因数の和:335828

約数の個数: 32

約数和(自身を含む): 513789300

約数和(自身を除く): 298871540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 335809, 671618, 1343236, 1679045, 2686472, 3358090, 5372944, 6716180, 10745888, 13432360, 21491776, 26864720, 42983552, 53729440, 107458880, 214917760]

約数ペア:

[(1, 214917760), (2, 107458880), (4, 53729440), (5, 42983552), (8, 26864720), (10, 21491776), (16, 13432360), (20, 10745888), (32, 6716180), (40, 5372944), (64, 3358090), (80, 2686472), (128, 1679045), (160, 1343236), (320, 671618), (640, 335809)]