84434980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9887}}^1$

素因数の和:9964

約数の個数: 48

約数和(自身を含む): 205986816

約数和(自身を除く): 121551836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 9887, 19774, 39548, 49435, 69209, 98870, 138418, 197740, 276836, 346045, 603107, 692090, 1206214, 1384180, 2412428, 3015535, 4221749, 6031070, 8443498, 12062140, 16886996, 21108745, 42217490, 84434980]

約数ペア:

[(1, 84434980), (2, 42217490), (4, 21108745), (5, 16886996), (7, 12062140), (10, 8443498), (14, 6031070), (20, 4221749), (28, 3015535), (35, 2412428), (61, 1384180), (70, 1206214), (122, 692090), (140, 603107), (244, 346045), (305, 276836), (427, 197740), (610, 138418), (854, 98870), (1220, 69209), (1708, 49435), (2135, 39548), (4270, 19774), (8540, 9887)]