72887500

素因数分解:

$2^2\times 5^5\times 7^3\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 144

約数和(自身を含む): 196862400

約数和(自身を除く): 123974900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 49, 50, 68, 70, 85, 98, 100, 119, 125, 140, 170, 175, 196, 238, 245, 250, 340, 343, 350, 425, 476, 490, 500, 595, 625, 686, 700, 833, 850, 875, 980, 1190, 1225, 1250, 1372, 1666, 1700, 1715, 1750, 2125, 2380, 2450, 2500, 2975, 3125, 3332, 3430, 3500, 4165, 4250, 4375, 4900, 5831, 5950, 6125, 6250, 6860, 8330, 8500, 8575, 8750, 10625, 11662, 11900, 12250, 12500, 14875, 16660, 17150, 17500, 20825, 21250, 21875, 23324, 24500, 29155, 29750, 30625, 34300, 41650, 42500, 42875, 43750, 53125, 58310, 59500, 61250, 74375, 83300, 85750, 87500, 104125, 106250, 116620, 122500, 145775, 148750, 153125, 171500, 208250, 212500, 214375, 291550, 297500, 306250, 371875, 416500, 428750, 520625, 583100, 612500, 728875, 743750, 857500, 1041250, 1071875, 1457750, 1487500, 2082500, 2143750, 2603125, 2915500, 3644375, 4287500, 5206250, 7288750, 10412500, 14577500, 18221875, 36443750, 72887500]

約数ペア:

[(1, 72887500), (2, 36443750), (4, 18221875), (5, 14577500), (7, 10412500), (10, 7288750), (14, 5206250), (17, 4287500), (20, 3644375), (25, 2915500), (28, 2603125), (34, 2143750), (35, 2082500), (49, 1487500), (50, 1457750), (68, 1071875), (70, 1041250), (85, 857500), (98, 743750), (100, 728875), (119, 612500), (125, 583100), (140, 520625), (170, 428750), (175, 416500), (196, 371875), (238, 306250), (245, 297500), (250, 291550), (340, 214375), (343, 212500), (350, 208250), (425, 171500), (476, 153125), (490, 148750), (500, 145775), (595, 122500), (625, 116620), (686, 106250), (700, 104125), (833, 87500), (850, 85750), (875, 83300), (980, 74375), (1190, 61250), (1225, 59500), (1250, 58310), (1372, 53125), (1666, 43750), (1700, 42875), (1715, 42500), (1750, 41650), (2125, 34300), (2380, 30625), (2450, 29750), (2500, 29155), (2975, 24500), (3125, 23324), (3332, 21875), (3430, 21250), (3500, 20825), (4165, 17500), (4250, 17150), (4375, 16660), (4900, 14875), (5831, 12500), (5950, 12250), (6125, 11900), (6250, 11662), (6860, 10625), (8330, 8750), (8500, 8575)]