91015000

素因数分解:

$2^3\times 5^4\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 216493200

約数和(自身を除く): 125478200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 125, 167, 200, 218, 250, 334, 436, 500, 545, 625, 668, 835, 872, 1000, 1090, 1250, 1336, 1670, 2180, 2500, 2725, 3340, 4175, 4360, 5000, 5450, 6680, 8350, 10900, 13625, 16700, 18203, 20875, 21800, 27250, 33400, 36406, 41750, 54500, 68125, 72812, 83500, 91015, 104375, 109000, 136250, 145624, 167000, 182030, 208750, 272500, 364060, 417500, 455075, 545000, 728120, 835000, 910150, 1820300, 2275375, 3640600, 4550750, 9101500, 11376875, 18203000, 22753750, 45507500, 91015000]

約数ペア:

[(1, 91015000), (2, 45507500), (4, 22753750), (5, 18203000), (8, 11376875), (10, 9101500), (20, 4550750), (25, 3640600), (40, 2275375), (50, 1820300), (100, 910150), (109, 835000), (125, 728120), (167, 545000), (200, 455075), (218, 417500), (250, 364060), (334, 272500), (436, 208750), (500, 182030), (545, 167000), (625, 145624), (668, 136250), (835, 109000), (872, 104375), (1000, 91015), (1090, 83500), (1250, 72812), (1336, 68125), (1670, 54500), (2180, 41750), (2500, 36406), (2725, 33400), (3340, 27250), (4175, 21800), (4360, 20875), (5000, 18203), (5450, 16700), (6680, 13625), (8350, 10900)]