868708940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{106721}}^1$

素因数の和:106778

約数の個数: 48

約数和(自身を含む): 2043939744

約数和(自身を除く): 1175230804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 106721, 213442, 426884, 533605, 1067210, 1173931, 2134420, 2347862, 3948677, 4695724, 5869655, 7897354, 11739310, 15794708, 19743385, 23478620, 39486770, 43435447, 78973540, 86870894, 173741788, 217177235, 434354470, 868708940]

約数ペア:

[(1, 868708940), (2, 434354470), (4, 217177235), (5, 173741788), (10, 86870894), (11, 78973540), (20, 43435447), (22, 39486770), (37, 23478620), (44, 19743385), (55, 15794708), (74, 11739310), (110, 7897354), (148, 5869655), (185, 4695724), (220, 3948677), (370, 2347862), (407, 2134420), (740, 1173931), (814, 1067210), (1628, 533605), (2035, 426884), (4070, 213442), (8140, 106721)]