66690400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{11909}}^1$

素因数の和:11936

約数の個数: 72

約数和(自身を含む): 186081840

約数和(自身を除く): 119391440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 11909, 23818, 47636, 59545, 83363, 95272, 119090, 166726, 190544, 238180, 297725, 333452, 381088, 416815, 476360, 595450, 666904, 833630, 952720, 1190900, 1333808, 1667260, 1905440, 2084075, 2381800, 2667616, 3334520, 4168150, 4763600, 6669040, 8336300, 9527200, 13338080, 16672600, 33345200, 66690400]

約数ペア:

[(1, 66690400), (2, 33345200), (4, 16672600), (5, 13338080), (7, 9527200), (8, 8336300), (10, 6669040), (14, 4763600), (16, 4168150), (20, 3334520), (25, 2667616), (28, 2381800), (32, 2084075), (35, 1905440), (40, 1667260), (50, 1333808), (56, 1190900), (70, 952720), (80, 833630), (100, 666904), (112, 595450), (140, 476360), (160, 416815), (175, 381088), (200, 333452), (224, 297725), (280, 238180), (350, 190544), (400, 166726), (560, 119090), (700, 95272), (800, 83363), (1120, 59545), (1400, 47636), (2800, 23818), (5600, 11909)]