205380400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{30203}}^1$

素因数の和:30238

約数の個数: 60

約数和(自身を含む): 522468792

約数和(自身を除く): 317088392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 30203, 60406, 120812, 151015, 241624, 302030, 483248, 513451, 604060, 755075, 1026902, 1208120, 1510150, 2053804, 2416240, 2567255, 3020300, 4107608, 5134510, 6040600, 8215216, 10269020, 12081200, 12836275, 20538040, 25672550, 41076080, 51345100, 102690200, 205380400]

約数ペア:

[(1, 205380400), (2, 102690200), (4, 51345100), (5, 41076080), (8, 25672550), (10, 20538040), (16, 12836275), (17, 12081200), (20, 10269020), (25, 8215216), (34, 6040600), (40, 5134510), (50, 4107608), (68, 3020300), (80, 2567255), (85, 2416240), (100, 2053804), (136, 1510150), (170, 1208120), (200, 1026902), (272, 755075), (340, 604060), (400, 513451), (425, 483248), (680, 302030), (850, 241624), (1360, 151015), (1700, 120812), (3400, 60406), (6800, 30203)]