245502050

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1283}}^1$

素因数の和:1427

約数の個数: 48

約数和(自身を含む): 472871520

約数和(自身を除く): 227369470

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 89, 178, 215, 430, 445, 890, 1075, 1283, 2150, 2225, 2566, 3827, 4450, 6415, 7654, 12830, 19135, 32075, 38270, 55169, 64150, 95675, 110338, 114187, 191350, 228374, 275845, 551690, 570935, 1141870, 1379225, 2758450, 2854675, 4910041, 5709350, 9820082, 24550205, 49100410, 122751025, 245502050]

約数ペア:

[(1, 245502050), (2, 122751025), (5, 49100410), (10, 24550205), (25, 9820082), (43, 5709350), (50, 4910041), (86, 2854675), (89, 2758450), (178, 1379225), (215, 1141870), (430, 570935), (445, 551690), (890, 275845), (1075, 228374), (1283, 191350), (2150, 114187), (2225, 110338), (2566, 95675), (3827, 64150), (4450, 55169), (6415, 38270), (7654, 32075), (12830, 19135)]