53457320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2689}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 139449600

約数和(自身を除く): 85992280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2689, 2840, 3976, 4970, 5378, 9940, 10756, 13445, 18823, 19880, 21512, 26890, 37646, 53780, 75292, 94115, 107560, 150584, 188230, 190919, 376460, 381838, 752920, 763676, 954595, 1336433, 1527352, 1909190, 2672866, 3818380, 5345732, 6682165, 7636760, 10691464, 13364330, 26728660, 53457320]

約数ペア:

[(1, 53457320), (2, 26728660), (4, 13364330), (5, 10691464), (7, 7636760), (8, 6682165), (10, 5345732), (14, 3818380), (20, 2672866), (28, 1909190), (35, 1527352), (40, 1336433), (56, 954595), (70, 763676), (71, 752920), (140, 381838), (142, 376460), (280, 190919), (284, 188230), (355, 150584), (497, 107560), (568, 94115), (710, 75292), (994, 53780), (1420, 37646), (1988, 26890), (2485, 21512), (2689, 19880), (2840, 18823), (3976, 13445), (4970, 10756), (5378, 9940)]