557199820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{6857}}^1$

素因数の和:7122

約数の個数: 48

約数和(自身を含む): 1244315520

約数和(自身を除く): 687115700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 478, 956, 1195, 2390, 4063, 4780, 6857, 8126, 13714, 16252, 20315, 27428, 34285, 40630, 68570, 81260, 116569, 137140, 233138, 466276, 582845, 1165690, 1638823, 2331380, 3277646, 6555292, 8194115, 16388230, 27859991, 32776460, 55719982, 111439964, 139299955, 278599910, 557199820]

約数ペア:

[(1, 557199820), (2, 278599910), (4, 139299955), (5, 111439964), (10, 55719982), (17, 32776460), (20, 27859991), (34, 16388230), (68, 8194115), (85, 6555292), (170, 3277646), (239, 2331380), (340, 1638823), (478, 1165690), (956, 582845), (1195, 466276), (2390, 233138), (4063, 137140), (4780, 116569), (6857, 81260), (8126, 68570), (13714, 40630), (16252, 34285), (20315, 27428)]