220385510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{8999}}^1$

素因数の和:9116

約数の個数: 32

約数和(自身を含む): 414720000

約数和(自身を除く): 194334490

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 4898, 8999, 12245, 17998, 24490, 44995, 89990, 278969, 557938, 710921, 1394845, 1421842, 2789690, 3554605, 7109210, 22038551, 44077102, 110192755, 220385510]

約数ペア:

[(1, 220385510), (2, 110192755), (5, 44077102), (10, 22038551), (31, 7109210), (62, 3554605), (79, 2789690), (155, 1421842), (158, 1394845), (310, 710921), (395, 557938), (790, 278969), (2449, 89990), (4898, 44995), (8999, 24490), (12245, 17998)]