31405850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1551

約数の個数: 48

約数和(自身を含む): 67900416

約数和(自身を除く): 36494566

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 1471, 1525, 2135, 2942, 3050, 4270, 7355, 10297, 10675, 14710, 20594, 21350, 36775, 51485, 73550, 89731, 102970, 179462, 257425, 448655, 514850, 628117, 897310, 1256234, 2243275, 3140585, 4486550, 6281170, 15702925, 31405850]

約数ペア:

[(1, 31405850), (2, 15702925), (5, 6281170), (7, 4486550), (10, 3140585), (14, 2243275), (25, 1256234), (35, 897310), (50, 628117), (61, 514850), (70, 448655), (122, 257425), (175, 179462), (305, 102970), (350, 89731), (427, 73550), (610, 51485), (854, 36775), (1471, 21350), (1525, 20594), (2135, 14710), (2942, 10675), (3050, 10297), (4270, 7355)]