306372280

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{13751}}^1$

素因数の和:14319

約数の個数: 32

約数和(自身を含む): 690625440

約数和(自身を除く): 384253160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 11140, 13751, 22280, 27502, 55004, 68755, 110008, 137510, 275020, 550040, 7659307, 15318614, 30637228, 38296535, 61274456, 76593070, 153186140, 306372280]

約数ペア:

[(1, 306372280), (2, 153186140), (4, 76593070), (5, 61274456), (8, 38296535), (10, 30637228), (20, 15318614), (40, 7659307), (557, 550040), (1114, 275020), (2228, 137510), (2785, 110008), (4456, 68755), (5570, 55004), (11140, 27502), (13751, 22280)]