177546740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2221}}^1$

素因数の和:2808

約数の個数: 48

約数和(自身を含む): 427050624

約数和(自身を除く): 249503884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1142, 2221, 2284, 2855, 3997, 4442, 5710, 7994, 8884, 11105, 11420, 15547, 15988, 19985, 22210, 31094, 39970, 44420, 62188, 77735, 79940, 155470, 310940, 1268191, 2536382, 5072764, 6340955, 8877337, 12681910, 17754674, 25363820, 35509348, 44386685, 88773370, 177546740]

約数ペア:

[(1, 177546740), (2, 88773370), (4, 44386685), (5, 35509348), (7, 25363820), (10, 17754674), (14, 12681910), (20, 8877337), (28, 6340955), (35, 5072764), (70, 2536382), (140, 1268191), (571, 310940), (1142, 155470), (2221, 79940), (2284, 77735), (2855, 62188), (3997, 44420), (4442, 39970), (5710, 31094), (7994, 22210), (8884, 19985), (11105, 15988), (11420, 15547)]