253676360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1409}}^1$

素因数の和:2070

約数の個数: 64

約数和(自身を含む): 653788800

約数和(自身を除く): 400112440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 643, 1286, 1409, 2572, 2818, 3215, 4501, 5144, 5636, 6430, 7045, 9002, 9863, 11272, 12860, 14090, 18004, 19726, 22505, 25720, 28180, 36008, 39452, 45010, 49315, 56360, 78904, 90020, 98630, 180040, 197260, 394520, 905987, 1811974, 3623948, 4529935, 6341909, 7247896, 9059870, 12683818, 18119740, 25367636, 31709545, 36239480, 50735272, 63419090, 126838180, 253676360]

約数ペア:

[(1, 253676360), (2, 126838180), (4, 63419090), (5, 50735272), (7, 36239480), (8, 31709545), (10, 25367636), (14, 18119740), (20, 12683818), (28, 9059870), (35, 7247896), (40, 6341909), (56, 4529935), (70, 3623948), (140, 1811974), (280, 905987), (643, 394520), (1286, 197260), (1409, 180040), (2572, 98630), (2818, 90020), (3215, 78904), (4501, 56360), (5144, 49315), (5636, 45010), (6430, 39452), (7045, 36008), (9002, 28180), (9863, 25720), (11272, 22505), (12860, 19726), (14090, 18004)]