297015740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{13513}}^1$

素因数の和:13686

約数の個数: 48

約数和(自身を含む): 717431232

約数和(自身を除く): 420415492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 13513, 21980, 27026, 54052, 67565, 94591, 135130, 189182, 270260, 378364, 472955, 945910, 1891820, 2121541, 4243082, 8486164, 10607705, 14850787, 21215410, 29701574, 42430820, 59403148, 74253935, 148507870, 297015740]

約数ペア:

[(1, 297015740), (2, 148507870), (4, 74253935), (5, 59403148), (7, 42430820), (10, 29701574), (14, 21215410), (20, 14850787), (28, 10607705), (35, 8486164), (70, 4243082), (140, 2121541), (157, 1891820), (314, 945910), (628, 472955), (785, 378364), (1099, 270260), (1570, 189182), (2198, 135130), (3140, 94591), (4396, 67565), (5495, 54052), (10990, 27026), (13513, 21980)]