847776820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{8147}}^1$

素因数の和:8221

約数の個数: 72

約数和(自身を含む): 2002648032

約数和(自身を除く): 1154871212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 860, 946, 1210, 1892, 2365, 2420, 4730, 5203, 8147, 9460, 10406, 16294, 20812, 26015, 32588, 40735, 52030, 81470, 89617, 104060, 162940, 179234, 350321, 358468, 448085, 700642, 896170, 985787, 1401284, 1751605, 1792340, 1971574, 3503210, 3853531, 3943148, 4928935, 7006420, 7707062, 9857870, 15414124, 19267655, 19715740, 38535310, 42388841, 77070620, 84777682, 169555364, 211944205, 423888410, 847776820]

約数ペア:

[(1, 847776820), (2, 423888410), (4, 211944205), (5, 169555364), (10, 84777682), (11, 77070620), (20, 42388841), (22, 38535310), (43, 19715740), (44, 19267655), (55, 15414124), (86, 9857870), (110, 7707062), (121, 7006420), (172, 4928935), (215, 3943148), (220, 3853531), (242, 3503210), (430, 1971574), (473, 1792340), (484, 1751605), (605, 1401284), (860, 985787), (946, 896170), (1210, 700642), (1892, 448085), (2365, 358468), (2420, 350321), (4730, 179234), (5203, 162940), (8147, 104060), (9460, 89617), (10406, 81470), (16294, 52030), (20812, 40735), (26015, 32588)]