221600260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21683}}^1$

素因数の和:21772

約数の個数: 48

約数和(自身を含む): 539150976

約数和(自身を除く): 317550716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 21683, 43366, 86732, 108415, 151781, 216830, 303562, 433660, 607124, 758905, 1517810, 1582859, 3035620, 3165718, 6331436, 7914295, 11080013, 15828590, 22160026, 31657180, 44320052, 55400065, 110800130, 221600260]

約数ペア:

[(1, 221600260), (2, 110800130), (4, 55400065), (5, 44320052), (7, 31657180), (10, 22160026), (14, 15828590), (20, 11080013), (28, 7914295), (35, 6331436), (70, 3165718), (73, 3035620), (140, 1582859), (146, 1517810), (292, 758905), (365, 607124), (511, 433660), (730, 303562), (1022, 216830), (1460, 151781), (2044, 108415), (2555, 86732), (5110, 43366), (10220, 21683)]