220078672

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 120

約数和(自身を含む): 511911680

約数和(自身を除く): 291833008

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 121, 124, 152, 176, 193, 209, 242, 248, 304, 341, 386, 418, 484, 496, 589, 682, 772, 836, 968, 1178, 1364, 1544, 1672, 1936, 2123, 2299, 2356, 2728, 3088, 3344, 3667, 3751, 4246, 4598, 4712, 5456, 5983, 6479, 7334, 7502, 8492, 9196, 9424, 11966, 12958, 14668, 15004, 16984, 18392, 23353, 23932, 25916, 29336, 30008, 33968, 36784, 40337, 46706, 47864, 51832, 58672, 60016, 65813, 71269, 80674, 93412, 95728, 103664, 113677, 131626, 142538, 161348, 186824, 227354, 263252, 285076, 322696, 373648, 443707, 454708, 526504, 570152, 645392, 723943, 887414, 909416, 1053008, 1140304, 1250447, 1447886, 1774828, 1818832, 2500894, 2895772, 3549656, 5001788, 5791544, 7099312, 10003576, 11583088, 13754917, 20007152, 27509834, 55019668, 110039336, 220078672]

約数ペア:

[(1, 220078672), (2, 110039336), (4, 55019668), (8, 27509834), (11, 20007152), (16, 13754917), (19, 11583088), (22, 10003576), (31, 7099312), (38, 5791544), (44, 5001788), (62, 3549656), (76, 2895772), (88, 2500894), (121, 1818832), (124, 1774828), (152, 1447886), (176, 1250447), (193, 1140304), (209, 1053008), (242, 909416), (248, 887414), (304, 723943), (341, 645392), (386, 570152), (418, 526504), (484, 454708), (496, 443707), (589, 373648), (682, 322696), (772, 285076), (836, 263252), (968, 227354), (1178, 186824), (1364, 161348), (1544, 142538), (1672, 131626), (1936, 113677), (2123, 103664), (2299, 95728), (2356, 93412), (2728, 80674), (3088, 71269), (3344, 65813), (3667, 60016), (3751, 58672), (4246, 51832), (4598, 47864), (4712, 46706), (5456, 40337), (5983, 36784), (6479, 33968), (7334, 30008), (7502, 29336), (8492, 25916), (9196, 23932), (9424, 23353), (11966, 18392), (12958, 16984), (14668, 15004)]