201555025

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 300837888

約数和(自身を除く): 99282863

約数列:

[1, 5, 7, 25, 31, 35, 53, 155, 175, 217, 265, 371, 701, 775, 1085, 1325, 1643, 1855, 3505, 4907, 5425, 8215, 9275, 11501, 17525, 21731, 24535, 37153, 41075, 57505, 108655, 122675, 152117, 185765, 260071, 287525, 543275, 760585, 928825, 1151743, 1300355, 3802925, 5758715, 6501775, 8062201, 28793575, 40311005, 201555025]

約数ペア:

[(1, 201555025), (5, 40311005), (7, 28793575), (25, 8062201), (31, 6501775), (35, 5758715), (53, 3802925), (155, 1300355), (175, 1151743), (217, 928825), (265, 760585), (371, 543275), (701, 287525), (775, 260071), (1085, 185765), (1325, 152117), (1643, 122675), (1855, 108655), (3505, 57505), (4907, 41075), (5425, 37153), (8215, 24535), (9275, 21731), (11501, 17525)]