1968400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 120

約数和(自身を含む): 5842880

約数和(自身を除く): 3874480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 37, 38, 40, 50, 56, 70, 74, 76, 80, 95, 100, 112, 133, 140, 148, 152, 175, 185, 190, 200, 259, 266, 280, 296, 304, 350, 370, 380, 400, 475, 518, 532, 560, 592, 665, 700, 703, 740, 760, 925, 950, 1036, 1064, 1295, 1330, 1400, 1406, 1480, 1520, 1850, 1900, 2072, 2128, 2590, 2660, 2800, 2812, 2960, 3325, 3515, 3700, 3800, 4144, 4921, 5180, 5320, 5624, 6475, 6650, 7030, 7400, 7600, 9842, 10360, 10640, 11248, 12950, 13300, 14060, 14800, 17575, 19684, 20720, 24605, 25900, 26600, 28120, 35150, 39368, 49210, 51800, 53200, 56240, 70300, 78736, 98420, 103600, 123025, 140600, 196840, 246050, 281200, 393680, 492100, 984200, 1968400]

約数ペア:

[(1, 1968400), (2, 984200), (4, 492100), (5, 393680), (7, 281200), (8, 246050), (10, 196840), (14, 140600), (16, 123025), (19, 103600), (20, 98420), (25, 78736), (28, 70300), (35, 56240), (37, 53200), (38, 51800), (40, 49210), (50, 39368), (56, 35150), (70, 28120), (74, 26600), (76, 25900), (80, 24605), (95, 20720), (100, 19684), (112, 17575), (133, 14800), (140, 14060), (148, 13300), (152, 12950), (175, 11248), (185, 10640), (190, 10360), (200, 9842), (259, 7600), (266, 7400), (280, 7030), (296, 6650), (304, 6475), (350, 5624), (370, 5320), (380, 5180), (400, 4921), (475, 4144), (518, 3800), (532, 3700), (560, 3515), (592, 3325), (665, 2960), (700, 2812), (703, 2800), (740, 2660), (760, 2590), (925, 2128), (950, 2072), (1036, 1900), (1064, 1850), (1295, 1520), (1330, 1480), (1400, 1406)]