201074620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 429004800

約数和(自身を除く): 227930180

約数列:

[1, 2, 4, 5, 10, 20, 139, 151, 278, 302, 479, 556, 604, 695, 755, 958, 1390, 1510, 1916, 2395, 2780, 3020, 4790, 9580, 20989, 41978, 66581, 72329, 83956, 104945, 133162, 144658, 209890, 266324, 289316, 332905, 361645, 419780, 665810, 723290, 1331620, 1446580, 10053731, 20107462, 40214924, 50268655, 100537310, 201074620]

約数ペア:

[(1, 201074620), (2, 100537310), (4, 50268655), (5, 40214924), (10, 20107462), (20, 10053731), (139, 1446580), (151, 1331620), (278, 723290), (302, 665810), (479, 419780), (556, 361645), (604, 332905), (695, 289316), (755, 266324), (958, 209890), (1390, 144658), (1510, 133162), (1916, 104945), (2395, 83956), (2780, 72329), (3020, 66581), (4790, 41978), (9580, 20989)]