8874140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 21673680

約数和(自身を除く): 12799540

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 193, 209, 220, 242, 380, 386, 418, 484, 605, 772, 836, 965, 1045, 1210, 1930, 2090, 2123, 2299, 2420, 3667, 3860, 4180, 4246, 4598, 7334, 8492, 9196, 10615, 11495, 14668, 18335, 21230, 22990, 23353, 36670, 40337, 42460, 45980, 46706, 73340, 80674, 93412, 116765, 161348, 201685, 233530, 403370, 443707, 467060, 806740, 887414, 1774828, 2218535, 4437070, 8874140]

約数ペア:

[(1, 8874140), (2, 4437070), (4, 2218535), (5, 1774828), (10, 887414), (11, 806740), (19, 467060), (20, 443707), (22, 403370), (38, 233530), (44, 201685), (55, 161348), (76, 116765), (95, 93412), (110, 80674), (121, 73340), (190, 46706), (193, 45980), (209, 42460), (220, 40337), (242, 36670), (380, 23353), (386, 22990), (418, 21230), (484, 18335), (605, 14668), (772, 11495), (836, 10615), (965, 9196), (1045, 8492), (1210, 7334), (1930, 4598), (2090, 4246), (2123, 4180), (2299, 3860), (2420, 3667)]