71395000

素因数分解:

$2^3\times 5^4\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 170101800

約数和(自身を除く): 98706800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 125, 131, 200, 218, 250, 262, 436, 500, 524, 545, 625, 655, 872, 1000, 1048, 1090, 1250, 1310, 2180, 2500, 2620, 2725, 3275, 4360, 5000, 5240, 5450, 6550, 10900, 13100, 13625, 14279, 16375, 21800, 26200, 27250, 28558, 32750, 54500, 57116, 65500, 68125, 71395, 81875, 109000, 114232, 131000, 136250, 142790, 163750, 272500, 285580, 327500, 356975, 545000, 571160, 655000, 713950, 1427900, 1784875, 2855800, 3569750, 7139500, 8924375, 14279000, 17848750, 35697500, 71395000]

約数ペア:

[(1, 71395000), (2, 35697500), (4, 17848750), (5, 14279000), (8, 8924375), (10, 7139500), (20, 3569750), (25, 2855800), (40, 1784875), (50, 1427900), (100, 713950), (109, 655000), (125, 571160), (131, 545000), (200, 356975), (218, 327500), (250, 285580), (262, 272500), (436, 163750), (500, 142790), (524, 136250), (545, 131000), (625, 114232), (655, 109000), (872, 81875), (1000, 71395), (1048, 68125), (1090, 65500), (1250, 57116), (1310, 54500), (2180, 32750), (2500, 28558), (2620, 27250), (2725, 26200), (3275, 21800), (4360, 16375), (5000, 14279), (5240, 13625), (5450, 13100), (6550, 10900)]