70509040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17987}}^1$

素因数の和:18014

約数の個数: 60

約数和(自身を含む): 190708776

約数和(自身を除く): 120199736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 17987, 35974, 71948, 89935, 125909, 143896, 179870, 251818, 287792, 359740, 503636, 629545, 719480, 881363, 1007272, 1259090, 1438960, 1762726, 2014544, 2518180, 3525452, 4406815, 5036360, 7050904, 8813630, 10072720, 14101808, 17627260, 35254520, 70509040]

約数ペア:

[(1, 70509040), (2, 35254520), (4, 17627260), (5, 14101808), (7, 10072720), (8, 8813630), (10, 7050904), (14, 5036360), (16, 4406815), (20, 3525452), (28, 2518180), (35, 2014544), (40, 1762726), (49, 1438960), (56, 1259090), (70, 1007272), (80, 881363), (98, 719480), (112, 629545), (140, 503636), (196, 359740), (245, 287792), (280, 251818), (392, 179870), (490, 143896), (560, 125909), (784, 89935), (980, 71948), (1960, 35974), (3920, 17987)]