311312772

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 868008960

約数和(自身を除く): 556696188

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 47, 51, 68, 79, 94, 102, 137, 141, 153, 158, 188, 204, 237, 274, 282, 306, 316, 411, 423, 474, 548, 564, 612, 711, 799, 822, 846, 948, 1233, 1343, 1422, 1598, 1644, 1692, 2329, 2397, 2466, 2686, 2844, 3196, 3713, 4029, 4658, 4794, 4932, 5372, 6439, 6987, 7191, 7426, 8058, 9316, 9588, 10823, 11139, 12087, 12878, 13974, 14382, 14852, 16116, 19317, 20961, 21646, 22278, 24174, 25756, 27948, 28764, 32469, 33417, 38634, 41922, 43292, 44556, 48348, 57951, 63121, 64938, 66834, 77268, 83844, 97407, 109463, 115902, 126242, 129876, 133668, 183991, 189363, 194814, 218926, 231804, 252484, 328389, 367982, 378726, 389628, 437852, 508681, 551973, 568089, 656778, 735964, 757452, 985167, 1017362, 1103946, 1136178, 1313556, 1526043, 1655919, 1970334, 2034724, 2207892, 2272356, 3052086, 3311838, 3940668, 4578129, 6104172, 6623676, 8647577, 9156258, 17295154, 18312516, 25942731, 34590308, 51885462, 77828193, 103770924, 155656386, 311312772]

約数ペア:

[(1, 311312772), (2, 155656386), (3, 103770924), (4, 77828193), (6, 51885462), (9, 34590308), (12, 25942731), (17, 18312516), (18, 17295154), (34, 9156258), (36, 8647577), (47, 6623676), (51, 6104172), (68, 4578129), (79, 3940668), (94, 3311838), (102, 3052086), (137, 2272356), (141, 2207892), (153, 2034724), (158, 1970334), (188, 1655919), (204, 1526043), (237, 1313556), (274, 1136178), (282, 1103946), (306, 1017362), (316, 985167), (411, 757452), (423, 735964), (474, 656778), (548, 568089), (564, 551973), (612, 508681), (711, 437852), (799, 389628), (822, 378726), (846, 367982), (948, 328389), (1233, 252484), (1343, 231804), (1422, 218926), (1598, 194814), (1644, 189363), (1692, 183991), (2329, 133668), (2397, 129876), (2466, 126242), (2686, 115902), (2844, 109463), (3196, 97407), (3713, 83844), (4029, 77268), (4658, 66834), (4794, 64938), (4932, 63121), (5372, 57951), (6439, 48348), (6987, 44556), (7191, 43292), (7426, 41922), (8058, 38634), (9316, 33417), (9588, 32469), (10823, 28764), (11139, 27948), (12087, 25756), (12878, 24174), (13974, 22278), (14382, 21646), (14852, 20961), (16116, 19317)]