72980425

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 111421440

約数和(自身を除く): 38441015

約数列:

[1, 5, 7, 19, 25, 35, 47, 95, 133, 175, 235, 329, 467, 475, 665, 893, 1175, 1645, 2335, 3269, 3325, 4465, 6251, 8225, 8873, 11675, 16345, 21949, 22325, 31255, 44365, 62111, 81725, 109745, 153643, 156275, 221825, 310555, 417031, 548725, 768215, 1552775, 2085155, 2919217, 3841075, 10425775, 14596085, 72980425]

約数ペア:

[(1, 72980425), (5, 14596085), (7, 10425775), (19, 3841075), (25, 2919217), (35, 2085155), (47, 1552775), (95, 768215), (133, 548725), (175, 417031), (235, 310555), (329, 221825), (467, 156275), (475, 153643), (665, 109745), (893, 81725), (1175, 62111), (1645, 44365), (2335, 31255), (3269, 22325), (3325, 21949), (4465, 16345), (6251, 11675), (8225, 8873)]