229128520

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{18301}}^1$

素因数の和:18625

約数の個数: 32

約数和(自身を含む): 517214520

約数和(自身を除く): 288086000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 18301, 36602, 73204, 91505, 146408, 183010, 366020, 732040, 5728213, 11456426, 22912852, 28641065, 45825704, 57282130, 114564260, 229128520]

約数ペア:

[(1, 229128520), (2, 114564260), (4, 57282130), (5, 45825704), (8, 28641065), (10, 22912852), (20, 11456426), (40, 5728213), (313, 732040), (626, 366020), (1252, 183010), (1565, 146408), (2504, 91505), (3130, 73204), (6260, 36602), (12520, 18301)]