28005670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1045

約数の個数: 64

約数和(自身を含む): 64613376

約数和(自身を除く): 36607706

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 154, 185, 259, 370, 385, 407, 518, 770, 814, 983, 1295, 1966, 2035, 2590, 2849, 4070, 4915, 5698, 6881, 9830, 10813, 13762, 14245, 21626, 28490, 34405, 36371, 54065, 68810, 72742, 75691, 108130, 151382, 181855, 254597, 363710, 378455, 400081, 509194, 756910, 800162, 1272985, 2000405, 2545970, 2800567, 4000810, 5601134, 14002835, 28005670]

約数ペア:

[(1, 28005670), (2, 14002835), (5, 5601134), (7, 4000810), (10, 2800567), (11, 2545970), (14, 2000405), (22, 1272985), (35, 800162), (37, 756910), (55, 509194), (70, 400081), (74, 378455), (77, 363710), (110, 254597), (154, 181855), (185, 151382), (259, 108130), (370, 75691), (385, 72742), (407, 68810), (518, 54065), (770, 36371), (814, 34405), (983, 28490), (1295, 21626), (1966, 14245), (2035, 13762), (2590, 10813), (2849, 9830), (4070, 6881), (4915, 5698)]