487991875

素因数分解:

$5^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1669

約数の個数: 40

約数和(自身を含む): 707173632

約数和(自身を除く): 219181757

約数列:

[1, 5, 7, 25, 35, 71, 125, 175, 355, 497, 625, 875, 1571, 1775, 2485, 4375, 7855, 8875, 10997, 12425, 39275, 44375, 54985, 62125, 111541, 196375, 274925, 310625, 557705, 780787, 981875, 1374625, 2788525, 3903935, 6873125, 13942625, 19519675, 69713125, 97598375, 487991875]

約数ペア:

[(1, 487991875), (5, 97598375), (7, 69713125), (25, 19519675), (35, 13942625), (71, 6873125), (125, 3903935), (175, 2788525), (355, 1374625), (497, 981875), (625, 780787), (875, 557705), (1571, 310625), (1775, 274925), (2485, 196375), (4375, 111541), (7855, 62125), (8875, 54985), (10997, 44375), (12425, 39275)]