78837500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 212611392

約数和(自身を除く): 133773892

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 53, 68, 70, 85, 100, 106, 119, 125, 140, 170, 175, 212, 238, 250, 265, 340, 350, 371, 425, 476, 500, 530, 595, 625, 700, 742, 850, 875, 901, 1060, 1190, 1250, 1325, 1484, 1700, 1750, 1802, 1855, 2125, 2380, 2500, 2650, 2975, 3125, 3500, 3604, 3710, 4250, 4375, 4505, 5300, 5950, 6250, 6307, 6625, 7420, 8500, 8750, 9010, 9275, 10625, 11900, 12500, 12614, 13250, 14875, 17500, 18020, 18550, 21250, 21875, 22525, 25228, 26500, 29750, 31535, 33125, 37100, 42500, 43750, 45050, 46375, 53125, 59500, 63070, 66250, 74375, 87500, 90100, 92750, 106250, 112625, 126140, 132500, 148750, 157675, 165625, 185500, 212500, 225250, 231875, 297500, 315350, 331250, 371875, 450500, 463750, 563125, 630700, 662500, 743750, 788375, 927500, 1126250, 1159375, 1487500, 1576750, 2252500, 2318750, 2815625, 3153500, 3941875, 4637500, 5631250, 7883750, 11262500, 15767500, 19709375, 39418750, 78837500]

約数ペア:

[(1, 78837500), (2, 39418750), (4, 19709375), (5, 15767500), (7, 11262500), (10, 7883750), (14, 5631250), (17, 4637500), (20, 3941875), (25, 3153500), (28, 2815625), (34, 2318750), (35, 2252500), (50, 1576750), (53, 1487500), (68, 1159375), (70, 1126250), (85, 927500), (100, 788375), (106, 743750), (119, 662500), (125, 630700), (140, 563125), (170, 463750), (175, 450500), (212, 371875), (238, 331250), (250, 315350), (265, 297500), (340, 231875), (350, 225250), (371, 212500), (425, 185500), (476, 165625), (500, 157675), (530, 148750), (595, 132500), (625, 126140), (700, 112625), (742, 106250), (850, 92750), (875, 90100), (901, 87500), (1060, 74375), (1190, 66250), (1250, 63070), (1325, 59500), (1484, 53125), (1700, 46375), (1750, 45050), (1802, 43750), (1855, 42500), (2125, 37100), (2380, 33125), (2500, 31535), (2650, 29750), (2975, 26500), (3125, 25228), (3500, 22525), (3604, 21875), (3710, 21250), (4250, 18550), (4375, 18020), (4505, 17500), (5300, 14875), (5950, 13250), (6250, 12614), (6307, 12500), (6625, 11900), (7420, 10625), (8500, 9275), (8750, 9010)]