287885390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{3697}}^1$

素因数の和:4316

約数の個数: 32

約数和(自身を含む): 559137600

約数和(自身を除く): 271252210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 599, 1198, 2995, 3697, 5990, 7394, 7787, 15574, 18485, 36970, 38935, 48061, 77870, 96122, 240305, 480610, 2214503, 4429006, 11072515, 22145030, 28788539, 57577078, 143942695, 287885390]

約数ペア:

[(1, 287885390), (2, 143942695), (5, 57577078), (10, 28788539), (13, 22145030), (26, 11072515), (65, 4429006), (130, 2214503), (599, 480610), (1198, 240305), (2995, 96122), (3697, 77870), (5990, 48061), (7394, 38935), (7787, 36970), (15574, 18485)]