50780975

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 75280896

約数和(自身を除く): 24499921

約数列:

[1, 5, 7, 25, 35, 61, 67, 71, 175, 305, 335, 355, 427, 469, 497, 1525, 1675, 1775, 2135, 2345, 2485, 4087, 4331, 4757, 10675, 11725, 12425, 20435, 21655, 23785, 28609, 30317, 33299, 102175, 108275, 118925, 143045, 151585, 166495, 290177, 715225, 757925, 832475, 1450885, 2031239, 7254425, 10156195, 50780975]

約数ペア:

[(1, 50780975), (5, 10156195), (7, 7254425), (25, 2031239), (35, 1450885), (61, 832475), (67, 757925), (71, 715225), (175, 290177), (305, 166495), (335, 151585), (355, 143045), (427, 118925), (469, 108275), (497, 102175), (1525, 33299), (1675, 30317), (1775, 28609), (2135, 23785), (2345, 21655), (2485, 20435), (4087, 12425), (4331, 11725), (4757, 10675)]