19968200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 36278200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 85, 100, 119, 136, 140, 170, 175, 200, 238, 280, 340, 350, 425, 476, 595, 680, 700, 839, 850, 952, 1190, 1400, 1678, 1700, 2380, 2975, 3356, 3400, 4195, 4760, 5873, 5950, 6712, 8390, 11746, 11900, 14263, 16780, 20975, 23492, 23800, 28526, 29365, 33560, 41950, 46984, 57052, 58730, 71315, 83900, 99841, 114104, 117460, 142630, 146825, 167800, 199682, 234920, 285260, 293650, 356575, 399364, 499205, 570520, 587300, 713150, 798728, 998410, 1174600, 1426300, 1996820, 2496025, 2852600, 3993640, 4992050, 9984100, 19968200]

約数ペア:

[(1, 19968200), (2, 9984100), (4, 4992050), (5, 3993640), (7, 2852600), (8, 2496025), (10, 1996820), (14, 1426300), (17, 1174600), (20, 998410), (25, 798728), (28, 713150), (34, 587300), (35, 570520), (40, 499205), (50, 399364), (56, 356575), (68, 293650), (70, 285260), (85, 234920), (100, 199682), (119, 167800), (136, 146825), (140, 142630), (170, 117460), (175, 114104), (200, 99841), (238, 83900), (280, 71315), (340, 58730), (350, 57052), (425, 46984), (476, 41950), (595, 33560), (680, 29365), (700, 28526), (839, 23800), (850, 23492), (952, 20975), (1190, 16780), (1400, 14263), (1678, 11900), (1700, 11746), (2380, 8390), (2975, 6712), (3356, 5950), (3400, 5873), (4195, 4760)]