280108008

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 776622600

約数和(自身を除く): 496514592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 137, 146, 219, 274, 292, 389, 411, 438, 548, 584, 657, 778, 822, 876, 1096, 1167, 1233, 1314, 1556, 1644, 1752, 2334, 2466, 2628, 3112, 3288, 3501, 4668, 4932, 5256, 7002, 9336, 9864, 10001, 14004, 20002, 28008, 28397, 30003, 40004, 53293, 56794, 60006, 80008, 85191, 90009, 106586, 113588, 120012, 159879, 170382, 180018, 213172, 227176, 240024, 255573, 319758, 340764, 360036, 426344, 479637, 511146, 639516, 681528, 720072, 959274, 1022292, 1279032, 1918548, 2044584, 3837096, 3890389, 7780778, 11671167, 15561556, 23342334, 31123112, 35013501, 46684668, 70027002, 93369336, 140054004, 280108008]

約数ペア:

[(1, 280108008), (2, 140054004), (3, 93369336), (4, 70027002), (6, 46684668), (8, 35013501), (9, 31123112), (12, 23342334), (18, 15561556), (24, 11671167), (36, 7780778), (72, 3890389), (73, 3837096), (137, 2044584), (146, 1918548), (219, 1279032), (274, 1022292), (292, 959274), (389, 720072), (411, 681528), (438, 639516), (548, 511146), (584, 479637), (657, 426344), (778, 360036), (822, 340764), (876, 319758), (1096, 255573), (1167, 240024), (1233, 227176), (1314, 213172), (1556, 180018), (1644, 170382), (1752, 159879), (2334, 120012), (2466, 113588), (2628, 106586), (3112, 90009), (3288, 85191), (3501, 80008), (4668, 60006), (4932, 56794), (5256, 53293), (7002, 40004), (9336, 30003), (9864, 28397), (10001, 28008), (14004, 20002)]