4921000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 128

約数和(自身を含む): 14227200

約数和(自身を除く): 9306200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 37, 38, 40, 50, 56, 70, 74, 76, 95, 100, 125, 133, 140, 148, 152, 175, 185, 190, 200, 250, 259, 266, 280, 296, 350, 370, 380, 475, 500, 518, 532, 665, 700, 703, 740, 760, 875, 925, 950, 1000, 1036, 1064, 1295, 1330, 1400, 1406, 1480, 1750, 1850, 1900, 2072, 2375, 2590, 2660, 2812, 3325, 3500, 3515, 3700, 3800, 4625, 4750, 4921, 5180, 5320, 5624, 6475, 6650, 7000, 7030, 7400, 9250, 9500, 9842, 10360, 12950, 13300, 14060, 16625, 17575, 18500, 19000, 19684, 24605, 25900, 26600, 28120, 32375, 33250, 35150, 37000, 39368, 49210, 51800, 64750, 66500, 70300, 87875, 98420, 123025, 129500, 133000, 140600, 175750, 196840, 246050, 259000, 351500, 492100, 615125, 703000, 984200, 1230250, 2460500, 4921000]

約数ペア:

[(1, 4921000), (2, 2460500), (4, 1230250), (5, 984200), (7, 703000), (8, 615125), (10, 492100), (14, 351500), (19, 259000), (20, 246050), (25, 196840), (28, 175750), (35, 140600), (37, 133000), (38, 129500), (40, 123025), (50, 98420), (56, 87875), (70, 70300), (74, 66500), (76, 64750), (95, 51800), (100, 49210), (125, 39368), (133, 37000), (140, 35150), (148, 33250), (152, 32375), (175, 28120), (185, 26600), (190, 25900), (200, 24605), (250, 19684), (259, 19000), (266, 18500), (280, 17575), (296, 16625), (350, 14060), (370, 13300), (380, 12950), (475, 10360), (500, 9842), (518, 9500), (532, 9250), (665, 7400), (700, 7030), (703, 7000), (740, 6650), (760, 6475), (875, 5624), (925, 5320), (950, 5180), (1000, 4921), (1036, 4750), (1064, 4625), (1295, 3800), (1330, 3700), (1400, 3515), (1406, 3500), (1480, 3325), (1750, 2812), (1850, 2660), (1900, 2590), (2072, 2375)]