838291250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:525

約数の個数: 80

約数和(自身を含む): 1684260864

約数和(自身を除く): 845969614

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 103, 125, 170, 206, 250, 383, 425, 515, 625, 766, 850, 1030, 1250, 1751, 1915, 2125, 2575, 3502, 3830, 4250, 5150, 6511, 8755, 9575, 10625, 12875, 13022, 17510, 19150, 21250, 25750, 32555, 39449, 43775, 47875, 64375, 65110, 78898, 87550, 95750, 128750, 162775, 197245, 218875, 239375, 325550, 394490, 437750, 478750, 670633, 813875, 986225, 1094375, 1341266, 1627750, 1972450, 2188750, 3353165, 4069375, 4931125, 6706330, 8138750, 9862250, 16765825, 24655625, 33531650, 49311250, 83829125, 167658250, 419145625, 838291250]

約数ペア:

[(1, 838291250), (2, 419145625), (5, 167658250), (10, 83829125), (17, 49311250), (25, 33531650), (34, 24655625), (50, 16765825), (85, 9862250), (103, 8138750), (125, 6706330), (170, 4931125), (206, 4069375), (250, 3353165), (383, 2188750), (425, 1972450), (515, 1627750), (625, 1341266), (766, 1094375), (850, 986225), (1030, 813875), (1250, 670633), (1751, 478750), (1915, 437750), (2125, 394490), (2575, 325550), (3502, 239375), (3830, 218875), (4250, 197245), (5150, 162775), (6511, 128750), (8755, 95750), (9575, 87550), (10625, 78898), (12875, 65110), (13022, 64375), (17510, 47875), (19150, 43775), (21250, 39449), (25750, 32555)]