258916000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{1321}}^1$

素因数の和:1360

約数の個数: 144

約数和(自身を含む): 740579112

約数和(自身を除く): 481663112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 800, 875, 980, 1000, 1120, 1225, 1321, 1400, 1568, 1750, 1960, 2000, 2450, 2642, 2800, 3500, 3920, 4000, 4900, 5284, 5600, 6125, 6605, 7000, 7840, 9247, 9800, 10568, 12250, 13210, 14000, 18494, 19600, 21136, 24500, 26420, 28000, 33025, 36988, 39200, 42272, 46235, 49000, 52840, 64729, 66050, 73976, 92470, 98000, 105680, 129458, 132100, 147952, 165125, 184940, 196000, 211360, 231175, 258916, 264200, 295904, 323645, 330250, 369880, 462350, 517832, 528400, 647290, 660500, 739760, 924700, 1035664, 1056800, 1155875, 1294580, 1321000, 1479520, 1618225, 1849400, 2071328, 2311750, 2589160, 2642000, 3236450, 3698800, 4623500, 5178320, 5284000, 6472900, 7397600, 8091125, 9247000, 10356640, 12945800, 16182250, 18494000, 25891600, 32364500, 36988000, 51783200, 64729000, 129458000, 258916000]

約数ペア:

[(1, 258916000), (2, 129458000), (4, 64729000), (5, 51783200), (7, 36988000), (8, 32364500), (10, 25891600), (14, 18494000), (16, 16182250), (20, 12945800), (25, 10356640), (28, 9247000), (32, 8091125), (35, 7397600), (40, 6472900), (49, 5284000), (50, 5178320), (56, 4623500), (70, 3698800), (80, 3236450), (98, 2642000), (100, 2589160), (112, 2311750), (125, 2071328), (140, 1849400), (160, 1618225), (175, 1479520), (196, 1321000), (200, 1294580), (224, 1155875), (245, 1056800), (250, 1035664), (280, 924700), (350, 739760), (392, 660500), (400, 647290), (490, 528400), (500, 517832), (560, 462350), (700, 369880), (784, 330250), (800, 323645), (875, 295904), (980, 264200), (1000, 258916), (1120, 231175), (1225, 211360), (1321, 196000), (1400, 184940), (1568, 165125), (1750, 147952), (1960, 132100), (2000, 129458), (2450, 105680), (2642, 98000), (2800, 92470), (3500, 73976), (3920, 66050), (4000, 64729), (4900, 52840), (5284, 49000), (5600, 46235), (6125, 42272), (6605, 39200), (7000, 36988), (7840, 33025), (9247, 28000), (9800, 26420), (10568, 24500), (12250, 21136), (13210, 19600), (14000, 18494)]