217465240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{883}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 504092160

約数和(自身を除く): 286626920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 131, 188, 235, 262, 376, 470, 524, 655, 883, 940, 1048, 1310, 1766, 1880, 2620, 3532, 4415, 5240, 6157, 7064, 8830, 12314, 17660, 24628, 30785, 35320, 41501, 49256, 61570, 83002, 115673, 123140, 166004, 207505, 231346, 246280, 332008, 415010, 462692, 578365, 830020, 925384, 1156730, 1660040, 2313460, 4626920, 5436631, 10873262, 21746524, 27183155, 43493048, 54366310, 108732620, 217465240]

約数ペア:

[(1, 217465240), (2, 108732620), (4, 54366310), (5, 43493048), (8, 27183155), (10, 21746524), (20, 10873262), (40, 5436631), (47, 4626920), (94, 2313460), (131, 1660040), (188, 1156730), (235, 925384), (262, 830020), (376, 578365), (470, 462692), (524, 415010), (655, 332008), (883, 246280), (940, 231346), (1048, 207505), (1310, 166004), (1766, 123140), (1880, 115673), (2620, 83002), (3532, 61570), (4415, 49256), (5240, 41501), (6157, 35320), (7064, 30785), (8830, 24628), (12314, 17660)]