9811900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 24748416

約数和(自身を除く): 14936516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 107, 131, 140, 175, 214, 262, 350, 428, 524, 535, 655, 700, 749, 917, 1070, 1310, 1498, 1834, 2140, 2620, 2675, 2996, 3275, 3668, 3745, 4585, 5350, 6550, 7490, 9170, 10700, 13100, 14017, 14980, 18340, 18725, 22925, 28034, 37450, 45850, 56068, 70085, 74900, 91700, 98119, 140170, 196238, 280340, 350425, 392476, 490595, 700850, 981190, 1401700, 1962380, 2452975, 4905950, 9811900]

約数ペア:

[(1, 9811900), (2, 4905950), (4, 2452975), (5, 1962380), (7, 1401700), (10, 981190), (14, 700850), (20, 490595), (25, 392476), (28, 350425), (35, 280340), (50, 196238), (70, 140170), (100, 98119), (107, 91700), (131, 74900), (140, 70085), (175, 56068), (214, 45850), (262, 37450), (350, 28034), (428, 22925), (524, 18725), (535, 18340), (655, 14980), (700, 14017), (749, 13100), (917, 10700), (1070, 9170), (1310, 7490), (1498, 6550), (1834, 5350), (2140, 4585), (2620, 3745), (2675, 3668), (2996, 3275)]