520017575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1789}}^1$

素因数の和:1968

約数の個数: 48

約数和(自身を含む): 809710080

約数和(自身を除く): 289692505

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 151, 175, 275, 385, 755, 1057, 1661, 1789, 1925, 3775, 5285, 8305, 8945, 11627, 12523, 19679, 26425, 41525, 44725, 58135, 62615, 98395, 137753, 270139, 290675, 313075, 491975, 688765, 1350695, 1890973, 2971529, 3443825, 6753475, 9454865, 14857645, 20800703, 47274325, 74288225, 104003515, 520017575]

約数ペア:

[(1, 520017575), (5, 104003515), (7, 74288225), (11, 47274325), (25, 20800703), (35, 14857645), (55, 9454865), (77, 6753475), (151, 3443825), (175, 2971529), (275, 1890973), (385, 1350695), (755, 688765), (1057, 491975), (1661, 313075), (1789, 290675), (1925, 270139), (3775, 137753), (5285, 98395), (8305, 62615), (8945, 58135), (11627, 44725), (12523, 41525), (19679, 26425)]