289090480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{516233}}^1$

素因数の和:516253

約数の個数: 40

約数和(自身を含む): 768156192

約数和(自身を除く): 479065712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 516233, 1032466, 2064932, 2581165, 3613631, 4129864, 5162330, 7227262, 8259728, 10324660, 14454524, 18068155, 20649320, 28909048, 36136310, 41298640, 57818096, 72272620, 144545240, 289090480]

約数ペア:

[(1, 289090480), (2, 144545240), (4, 72272620), (5, 57818096), (7, 41298640), (8, 36136310), (10, 28909048), (14, 20649320), (16, 18068155), (20, 14454524), (28, 10324660), (35, 8259728), (40, 7227262), (56, 5162330), (70, 4129864), (80, 3613631), (112, 2581165), (140, 2064932), (280, 1032466), (560, 516233)]