19472600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{1987}}^1$

素因数の和:2017

約数の個数: 72

約数和(自身を含む): 52691940

約数和(自身を除く): 33219340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 1987, 2450, 3974, 4900, 7948, 9800, 9935, 13909, 15896, 19870, 27818, 39740, 49675, 55636, 69545, 79480, 97363, 99350, 111272, 139090, 194726, 198700, 278180, 347725, 389452, 397400, 486815, 556360, 695450, 778904, 973630, 1390900, 1947260, 2434075, 2781800, 3894520, 4868150, 9736300, 19472600]

約数ペア:

[(1, 19472600), (2, 9736300), (4, 4868150), (5, 3894520), (7, 2781800), (8, 2434075), (10, 1947260), (14, 1390900), (20, 973630), (25, 778904), (28, 695450), (35, 556360), (40, 486815), (49, 397400), (50, 389452), (56, 347725), (70, 278180), (98, 198700), (100, 194726), (140, 139090), (175, 111272), (196, 99350), (200, 97363), (245, 79480), (280, 69545), (350, 55636), (392, 49675), (490, 39740), (700, 27818), (980, 19870), (1225, 15896), (1400, 13909), (1960, 9935), (1987, 9800), (2450, 7948), (3974, 4900)]