17498860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 38808000

約数和(自身を除く): 21309140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 349, 436, 460, 545, 698, 1090, 1396, 1745, 2180, 2507, 3490, 5014, 6980, 8027, 10028, 12535, 16054, 25070, 32108, 38041, 40135, 50140, 76082, 80270, 152164, 160540, 190205, 380410, 760820, 874943, 1749886, 3499772, 4374715, 8749430, 17498860]

約数ペア:

[(1, 17498860), (2, 8749430), (4, 4374715), (5, 3499772), (10, 1749886), (20, 874943), (23, 760820), (46, 380410), (92, 190205), (109, 160540), (115, 152164), (218, 80270), (230, 76082), (349, 50140), (436, 40135), (460, 38041), (545, 32108), (698, 25070), (1090, 16054), (1396, 12535), (1745, 10028), (2180, 8027), (2507, 6980), (3490, 5014)]