315614780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{8147}}^1$

素因数の和:8318

約数の個数: 48

約数和(自身を含む): 718653600

約数和(自身を除く): 403038820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 7748, 8147, 9685, 16294, 19370, 32588, 38740, 40735, 81470, 105911, 162940, 211822, 423644, 529555, 1059110, 1213903, 2118220, 2427806, 4855612, 6069515, 12139030, 15780739, 24278060, 31561478, 63122956, 78903695, 157807390, 315614780]

約数ペア:

[(1, 315614780), (2, 157807390), (4, 78903695), (5, 63122956), (10, 31561478), (13, 24278060), (20, 15780739), (26, 12139030), (52, 6069515), (65, 4855612), (130, 2427806), (149, 2118220), (260, 1213903), (298, 1059110), (596, 529555), (745, 423644), (1490, 211822), (1937, 162940), (2980, 105911), (3874, 81470), (7748, 40735), (8147, 38740), (9685, 32588), (16294, 19370)]