720295568

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{653}}^1\times {\mathrm{971}}^1$

素因数の和:1703

約数の個数: 40

約数和(自身を含む): 1418855616

約数和(自身を除く): 698560048

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 653, 971, 1136, 1306, 1942, 2612, 3884, 5224, 7768, 10448, 15536, 46363, 68941, 92726, 137882, 185452, 275764, 370904, 551528, 634063, 741808, 1103056, 1268126, 2536252, 5072504, 10145008, 45018473, 90036946, 180073892, 360147784, 720295568]

約数ペア:

[(1, 720295568), (2, 360147784), (4, 180073892), (8, 90036946), (16, 45018473), (71, 10145008), (142, 5072504), (284, 2536252), (568, 1268126), (653, 1103056), (971, 741808), (1136, 634063), (1306, 551528), (1942, 370904), (2612, 275764), (3884, 185452), (5224, 137882), (7768, 92726), (10448, 68941), (15536, 46363)]