249245720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{214867}}^1$

素因数の和:214907

約数の個数: 32

約数和(自身を含む): 580143600

約数和(自身を除く): 330897880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 214867, 429734, 859468, 1074335, 1718936, 2148670, 4297340, 6231143, 8594680, 12462286, 24924572, 31155715, 49849144, 62311430, 124622860, 249245720]

約数ペア:

[(1, 249245720), (2, 124622860), (4, 62311430), (5, 49849144), (8, 31155715), (10, 24924572), (20, 12462286), (29, 8594680), (40, 6231143), (58, 4297340), (116, 2148670), (145, 1718936), (232, 1074335), (290, 859468), (580, 429734), (1160, 214867)]