219964720

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 522466560

約数和(自身を除く): 302501840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 139, 151, 262, 278, 302, 524, 556, 604, 655, 695, 755, 1048, 1112, 1208, 1310, 1390, 1510, 2096, 2224, 2416, 2620, 2780, 3020, 5240, 5560, 6040, 10480, 11120, 12080, 18209, 19781, 20989, 36418, 39562, 41978, 72836, 79124, 83956, 91045, 98905, 104945, 145672, 158248, 167912, 182090, 197810, 209890, 291344, 316496, 335824, 364180, 395620, 419780, 728360, 791240, 839560, 1456720, 1582480, 1679120, 2749559, 5499118, 10998236, 13747795, 21996472, 27495590, 43992944, 54991180, 109982360, 219964720]

約数ペア:

[(1, 219964720), (2, 109982360), (4, 54991180), (5, 43992944), (8, 27495590), (10, 21996472), (16, 13747795), (20, 10998236), (40, 5499118), (80, 2749559), (131, 1679120), (139, 1582480), (151, 1456720), (262, 839560), (278, 791240), (302, 728360), (524, 419780), (556, 395620), (604, 364180), (655, 335824), (695, 316496), (755, 291344), (1048, 209890), (1112, 197810), (1208, 182090), (1310, 167912), (1390, 158248), (1510, 145672), (2096, 104945), (2224, 98905), (2416, 91045), (2620, 83956), (2780, 79124), (3020, 72836), (5240, 41978), (5560, 39562), (6040, 36418), (10480, 20989), (11120, 19781), (12080, 18209)]