85172500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 221129216

約数和(自身を除く): 135956716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 125, 140, 155, 157, 175, 217, 250, 310, 314, 350, 434, 500, 620, 625, 628, 700, 775, 785, 868, 875, 1085, 1099, 1250, 1550, 1570, 1750, 2170, 2198, 2500, 3100, 3140, 3500, 3875, 3925, 4340, 4375, 4396, 4867, 5425, 5495, 7750, 7850, 8750, 9734, 10850, 10990, 15500, 15700, 17500, 19375, 19468, 19625, 21700, 21980, 24335, 27125, 27475, 34069, 38750, 39250, 48670, 54250, 54950, 68138, 77500, 78500, 97340, 98125, 108500, 109900, 121675, 135625, 136276, 137375, 170345, 196250, 243350, 271250, 274750, 340690, 392500, 486700, 542500, 549500, 608375, 681380, 686875, 851725, 1216750, 1373750, 1703450, 2433500, 2747500, 3041875, 3406900, 4258625, 6083750, 8517250, 12167500, 17034500, 21293125, 42586250, 85172500]

約数ペア:

[(1, 85172500), (2, 42586250), (4, 21293125), (5, 17034500), (7, 12167500), (10, 8517250), (14, 6083750), (20, 4258625), (25, 3406900), (28, 3041875), (31, 2747500), (35, 2433500), (50, 1703450), (62, 1373750), (70, 1216750), (100, 851725), (124, 686875), (125, 681380), (140, 608375), (155, 549500), (157, 542500), (175, 486700), (217, 392500), (250, 340690), (310, 274750), (314, 271250), (350, 243350), (434, 196250), (500, 170345), (620, 137375), (625, 136276), (628, 135625), (700, 121675), (775, 109900), (785, 108500), (868, 98125), (875, 97340), (1085, 78500), (1099, 77500), (1250, 68138), (1550, 54950), (1570, 54250), (1750, 48670), (2170, 39250), (2198, 38750), (2500, 34069), (3100, 27475), (3140, 27125), (3500, 24335), (3875, 21980), (3925, 21700), (4340, 19625), (4375, 19468), (4396, 19375), (4867, 17500), (5425, 15700), (5495, 15500), (7750, 10990), (7850, 10850), (8750, 9734)]