254112400

素因数分解:

$2^4\times 5^2\times {\mathrm{251}}^1\times {\mathrm{2531}}^1$

素因数の和:2800

約数の個数: 60

約数和(自身を含む): 613179504

約数和(自身を除く): 359067104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 251, 400, 502, 1004, 1255, 2008, 2510, 2531, 4016, 5020, 5062, 6275, 10040, 10124, 12550, 12655, 20080, 20248, 25100, 25310, 40496, 50200, 50620, 63275, 100400, 101240, 126550, 202480, 253100, 506200, 635281, 1012400, 1270562, 2541124, 3176405, 5082248, 6352810, 10164496, 12705620, 15882025, 25411240, 31764050, 50822480, 63528100, 127056200, 254112400]

約数ペア:

[(1, 254112400), (2, 127056200), (4, 63528100), (5, 50822480), (8, 31764050), (10, 25411240), (16, 15882025), (20, 12705620), (25, 10164496), (40, 6352810), (50, 5082248), (80, 3176405), (100, 2541124), (200, 1270562), (251, 1012400), (400, 635281), (502, 506200), (1004, 253100), (1255, 202480), (2008, 126550), (2510, 101240), (2531, 100400), (4016, 63275), (5020, 50620), (5062, 50200), (6275, 40496), (10040, 25310), (10124, 25100), (12550, 20248), (12655, 20080)]