210551440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239263}}^1$

素因数の和:239287

約数の個数: 40

約数和(自身を含む): 534037248

約数和(自身を除く): 323485808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 239263, 478526, 957052, 1196315, 1914104, 2392630, 2631893, 3828208, 4785260, 5263786, 9570520, 10527572, 13159465, 19141040, 21055144, 26318930, 42110288, 52637860, 105275720, 210551440]

約数ペア:

[(1, 210551440), (2, 105275720), (4, 52637860), (5, 42110288), (8, 26318930), (10, 21055144), (11, 19141040), (16, 13159465), (20, 10527572), (22, 9570520), (40, 5263786), (44, 4785260), (55, 3828208), (80, 2631893), (88, 2392630), (110, 1914104), (176, 1196315), (220, 957052), (440, 478526), (880, 239263)]