2220785875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1289}}^1$

素因数の和:1501

約数の個数: 64

約数和(自身を含む): 3477427200

約数和(自身を除く): 1256641325

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 179, 275, 385, 875, 895, 1253, 1289, 1375, 1925, 1969, 4475, 6265, 6445, 9023, 9625, 9845, 13783, 14179, 22375, 31325, 32225, 45115, 49225, 68915, 70895, 99253, 156625, 161125, 225575, 230731, 246125, 344575, 354475, 496265, 1127875, 1153655, 1615117, 1722875, 1772375, 2481325, 2538041, 5768275, 8075585, 12406625, 12690205, 17766287, 28841375, 40377925, 63451025, 88831435, 201889625, 317255125, 444157175, 2220785875]

約数ペア:

[(1, 2220785875), (5, 444157175), (7, 317255125), (11, 201889625), (25, 88831435), (35, 63451025), (55, 40377925), (77, 28841375), (125, 17766287), (175, 12690205), (179, 12406625), (275, 8075585), (385, 5768275), (875, 2538041), (895, 2481325), (1253, 1772375), (1289, 1722875), (1375, 1615117), (1925, 1153655), (1969, 1127875), (4475, 496265), (6265, 354475), (6445, 344575), (9023, 246125), (9625, 230731), (9845, 225575), (13783, 161125), (14179, 156625), (22375, 99253), (31325, 70895), (32225, 68915), (45115, 49225)]