221775260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25969}}^1$

素因数の和:26046

約数の個数: 48

約数和(自身を含む): 541007040

約数和(自身を除く): 319231780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 25969, 51938, 103876, 129845, 181783, 259690, 363566, 519380, 727132, 908915, 1584109, 1817830, 3168218, 3635660, 6336436, 7920545, 11088763, 15841090, 22177526, 31682180, 44355052, 55443815, 110887630, 221775260]

約数ペア:

[(1, 221775260), (2, 110887630), (4, 55443815), (5, 44355052), (7, 31682180), (10, 22177526), (14, 15841090), (20, 11088763), (28, 7920545), (35, 6336436), (61, 3635660), (70, 3168218), (122, 1817830), (140, 1584109), (244, 908915), (305, 727132), (427, 519380), (610, 363566), (854, 259690), (1220, 181783), (1708, 129845), (2135, 103876), (4270, 51938), (8540, 25969)]