128241200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{18859}}^1$

素因数の和:18894

約数の個数: 60

約数和(自身を含む): 326240280

約数和(自身を除く): 197999080

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, 18859, 37718, 75436, 94295, 150872, 188590, 301744, 320603, 377180, 471475, 641206, 754360, 942950, 1282412, 1508720, 1603015, 1885900, 2564824, 3206030, 3771800, 5129648, 6412060, 7543600, 8015075, 12824120, 16030150, 25648240, 32060300, 64120600, 128241200]

約数ペア:

[(1, 128241200), (2, 64120600), (4, 32060300), (5, 25648240), (8, 16030150), (10, 12824120), (16, 8015075), (17, 7543600), (20, 6412060), (25, 5129648), (34, 3771800), (40, 3206030), (50, 2564824), (68, 1885900), (80, 1603015), (85, 1508720), (100, 1282412), (136, 942950), (170, 754360), (200, 641206), (272, 471475), (340, 377180), (400, 320603), (425, 301744), (680, 188590), (850, 150872), (1360, 94295), (1700, 75436), (3400, 37718), (6800, 18859)]