28561400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:933

約数の個数: 96

約数和(自身を含む): 79280640

約数和(自身を除く): 50719240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 460, 575, 644, 700, 805, 887, 920, 1150, 1288, 1400, 1610, 1774, 2300, 3220, 3548, 4025, 4435, 4600, 6209, 6440, 7096, 8050, 8870, 12418, 16100, 17740, 20401, 22175, 24836, 31045, 32200, 35480, 40802, 44350, 49672, 62090, 81604, 88700, 102005, 124180, 142807, 155225, 163208, 177400, 204010, 248360, 285614, 310450, 408020, 510025, 571228, 620900, 714035, 816040, 1020050, 1142456, 1241800, 1428070, 2040100, 2856140, 3570175, 4080200, 5712280, 7140350, 14280700, 28561400]

約数ペア:

[(1, 28561400), (2, 14280700), (4, 7140350), (5, 5712280), (7, 4080200), (8, 3570175), (10, 2856140), (14, 2040100), (20, 1428070), (23, 1241800), (25, 1142456), (28, 1020050), (35, 816040), (40, 714035), (46, 620900), (50, 571228), (56, 510025), (70, 408020), (92, 310450), (100, 285614), (115, 248360), (140, 204010), (161, 177400), (175, 163208), (184, 155225), (200, 142807), (230, 124180), (280, 102005), (322, 88700), (350, 81604), (460, 62090), (575, 49672), (644, 44350), (700, 40802), (805, 35480), (887, 32200), (920, 31045), (1150, 24836), (1288, 22175), (1400, 20401), (1610, 17740), (1774, 16100), (2300, 12418), (3220, 8870), (3548, 8050), (4025, 7096), (4435, 6440), (4600, 6209)]