172912810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{12539}}^1$

素因数の和:12750

約数の個数: 32

約数和(自身を含む): 357540480

約数和(自身を除く): 184627670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6895, 12539, 13790, 25078, 62695, 87773, 125390, 175546, 438865, 877730, 2470183, 4940366, 12350915, 17291281, 24701830, 34582562, 86456405, 172912810]

約数ペア:

[(1, 172912810), (2, 86456405), (5, 34582562), (7, 24701830), (10, 17291281), (14, 12350915), (35, 4940366), (70, 2470183), (197, 877730), (394, 438865), (985, 175546), (1379, 125390), (1970, 87773), (2758, 62695), (6895, 25078), (12539, 13790)]