280823296

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1423

約数の個数: 80

約数和(自身を含む): 624210048

約数和(自身を除く): 343386752

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1361, 1612, 1664, 1984, 2722, 3224, 3328, 3968, 5444, 6448, 6656, 7936, 10888, 12896, 15872, 17693, 21776, 25792, 35386, 42191, 43552, 51584, 70772, 84382, 87104, 103168, 141544, 168764, 174208, 206336, 283088, 337528, 348416, 548483, 566176, 675056, 696832, 1096966, 1132352, 1350112, 2193932, 2264704, 2700224, 4387864, 4529408, 5400448, 8775728, 9058816, 10800896, 17551456, 21601792, 35102912, 70205824, 140411648, 280823296]

約数ペア:

[(1, 280823296), (2, 140411648), (4, 70205824), (8, 35102912), (13, 21601792), (16, 17551456), (26, 10800896), (31, 9058816), (32, 8775728), (52, 5400448), (62, 4529408), (64, 4387864), (104, 2700224), (124, 2264704), (128, 2193932), (208, 1350112), (248, 1132352), (256, 1096966), (403, 696832), (416, 675056), (496, 566176), (512, 548483), (806, 348416), (832, 337528), (992, 283088), (1361, 206336), (1612, 174208), (1664, 168764), (1984, 141544), (2722, 103168), (3224, 87104), (3328, 84382), (3968, 70772), (5444, 51584), (6448, 43552), (6656, 42191), (7936, 35386), (10888, 25792), (12896, 21776), (15872, 17693)]