490009660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{7187}}^1$

素因数の和:7690

約数の個数: 48

約数和(自身を含む): 1178601984

約数和(自身を除く): 688592324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1948, 2435, 3409, 4870, 6818, 7187, 9740, 13636, 14374, 17045, 28748, 34090, 35935, 50309, 68180, 71870, 100618, 143740, 201236, 251545, 503090, 1006180, 3500069, 7000138, 14000276, 17500345, 24500483, 35000690, 49000966, 70001380, 98001932, 122502415, 245004830, 490009660]

約数ペア:

[(1, 490009660), (2, 245004830), (4, 122502415), (5, 98001932), (7, 70001380), (10, 49000966), (14, 35000690), (20, 24500483), (28, 17500345), (35, 14000276), (70, 7000138), (140, 3500069), (487, 1006180), (974, 503090), (1948, 251545), (2435, 201236), (3409, 143740), (4870, 100618), (6818, 71870), (7187, 68180), (9740, 50309), (13636, 35935), (14374, 34090), (17045, 28748)]