68154100

素因数分解:

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

素因数の和:2022

約数の個数: 72

約数和(自身を含む): 172558400

約数和(自身を除く): 104404300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 1987, 2450, 3430, 3974, 4900, 6860, 7948, 8575, 9935, 13909, 17150, 19870, 27818, 34300, 39740, 49675, 55636, 69545, 97363, 99350, 139090, 194726, 198700, 278180, 347725, 389452, 486815, 681541, 695450, 973630, 1363082, 1390900, 1947260, 2434075, 2726164, 3407705, 4868150, 6815410, 9736300, 13630820, 17038525, 34077050, 68154100]

約数ペア:

[(1, 68154100), (2, 34077050), (4, 17038525), (5, 13630820), (7, 9736300), (10, 6815410), (14, 4868150), (20, 3407705), (25, 2726164), (28, 2434075), (35, 1947260), (49, 1390900), (50, 1363082), (70, 973630), (98, 695450), (100, 681541), (140, 486815), (175, 389452), (196, 347725), (245, 278180), (343, 198700), (350, 194726), (490, 139090), (686, 99350), (700, 97363), (980, 69545), (1225, 55636), (1372, 49675), (1715, 39740), (1987, 34300), (2450, 27818), (3430, 19870), (3974, 17150), (4900, 13909), (6860, 9935), (7948, 8575)]