2017365725

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 2624593920

約数和(自身を除く): 607228195

約数列:

[1, 5, 25, 47, 79, 103, 211, 235, 395, 515, 1055, 1175, 1975, 2575, 3713, 4841, 5275, 8137, 9917, 16669, 18565, 21733, 24205, 40685, 49585, 83345, 92825, 108665, 121025, 203425, 247925, 382439, 416725, 543325, 783443, 1021451, 1716907, 1912195, 3917215, 5107255, 8584535, 9560975, 19586075, 25536275, 42922675, 80694629, 403473145, 2017365725]

約数ペア:

[(1, 2017365725), (5, 403473145), (25, 80694629), (47, 42922675), (79, 25536275), (103, 19586075), (211, 9560975), (235, 8584535), (395, 5107255), (515, 3917215), (1055, 1912195), (1175, 1716907), (1975, 1021451), (2575, 783443), (3713, 543325), (4841, 416725), (5275, 382439), (8137, 247925), (9917, 203425), (16669, 121025), (18565, 108665), (21733, 92825), (24205, 83345), (40685, 49585)]