2019980800

素因数分解:

$2^9\times 5^2\times {\mathrm{17}}^1\times {\mathrm{9283}}^1$

素因数の和:9328

約数の個数: 120

約数和(自身を含む): 5299622856

約数和(自身を除く): 3279642056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 400, 425, 512, 544, 640, 680, 800, 850, 1088, 1280, 1360, 1600, 1700, 2176, 2560, 2720, 3200, 3400, 4352, 5440, 6400, 6800, 8704, 9283, 10880, 12800, 13600, 18566, 21760, 27200, 37132, 43520, 46415, 54400, 74264, 92830, 108800, 148528, 157811, 185660, 217600, 232075, 297056, 315622, 371320, 464150, 594112, 631244, 742640, 789055, 928300, 1188224, 1262488, 1485280, 1578110, 1856600, 2376448, 2524976, 2970560, 3156220, 3713200, 3945275, 4752896, 5049952, 5941120, 6312440, 7426400, 7890550, 10099904, 11882240, 12624880, 14852800, 15781100, 20199808, 23764480, 25249760, 29705600, 31562200, 40399616, 50499520, 59411200, 63124400, 80799232, 100999040, 118822400, 126248800, 201998080, 252497600, 403996160, 504995200, 1009990400, 2019980800]

約数ペア:

[(1, 2019980800), (2, 1009990400), (4, 504995200), (5, 403996160), (8, 252497600), (10, 201998080), (16, 126248800), (17, 118822400), (20, 100999040), (25, 80799232), (32, 63124400), (34, 59411200), (40, 50499520), (50, 40399616), (64, 31562200), (68, 29705600), (80, 25249760), (85, 23764480), (100, 20199808), (128, 15781100), (136, 14852800), (160, 12624880), (170, 11882240), (200, 10099904), (256, 7890550), (272, 7426400), (320, 6312440), (340, 5941120), (400, 5049952), (425, 4752896), (512, 3945275), (544, 3713200), (640, 3156220), (680, 2970560), (800, 2524976), (850, 2376448), (1088, 1856600), (1280, 1578110), (1360, 1485280), (1600, 1262488), (1700, 1188224), (2176, 928300), (2560, 789055), (2720, 742640), (3200, 631244), (3400, 594112), (4352, 464150), (5440, 371320), (6400, 315622), (6800, 297056), (8704, 232075), (9283, 217600), (10880, 185660), (12800, 157811), (13600, 148528), (18566, 108800), (21760, 92830), (27200, 74264), (37132, 54400), (43520, 46415)]