207979156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 508370688

約数和(自身を除く): 300391532

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 23, 28, 34, 44, 46, 68, 77, 92, 119, 121, 154, 157, 161, 187, 238, 242, 253, 308, 314, 322, 374, 391, 476, 484, 506, 628, 644, 748, 782, 847, 1012, 1099, 1309, 1564, 1694, 1727, 1771, 2057, 2198, 2618, 2669, 2737, 2783, 3388, 3454, 3542, 3611, 4114, 4301, 4396, 5236, 5338, 5474, 5566, 6908, 7084, 7222, 8228, 8602, 10676, 10948, 11132, 12089, 14399, 14444, 17204, 18683, 18997, 19481, 24178, 25277, 28798, 29359, 30107, 37366, 37994, 38962, 39721, 47311, 48356, 50554, 57596, 58718, 60214, 61387, 74732, 75988, 77924, 79442, 94622, 101108, 117436, 120428, 122774, 132979, 158884, 189244, 205513, 245548, 265958, 278047, 322949, 331177, 411026, 429709, 436931, 531916, 556094, 645898, 662354, 675257, 822052, 859418, 873862, 1112188, 1291796, 1324708, 1350514, 1718836, 1747724, 2260643, 2701028, 3058517, 4521286, 4726799, 6117034, 7427827, 9042572, 9453598, 12234068, 14855654, 18907196, 29711308, 51994789, 103989578, 207979156]

約数ペア:

[(1, 207979156), (2, 103989578), (4, 51994789), (7, 29711308), (11, 18907196), (14, 14855654), (17, 12234068), (22, 9453598), (23, 9042572), (28, 7427827), (34, 6117034), (44, 4726799), (46, 4521286), (68, 3058517), (77, 2701028), (92, 2260643), (119, 1747724), (121, 1718836), (154, 1350514), (157, 1324708), (161, 1291796), (187, 1112188), (238, 873862), (242, 859418), (253, 822052), (308, 675257), (314, 662354), (322, 645898), (374, 556094), (391, 531916), (476, 436931), (484, 429709), (506, 411026), (628, 331177), (644, 322949), (748, 278047), (782, 265958), (847, 245548), (1012, 205513), (1099, 189244), (1309, 158884), (1564, 132979), (1694, 122774), (1727, 120428), (1771, 117436), (2057, 101108), (2198, 94622), (2618, 79442), (2669, 77924), (2737, 75988), (2783, 74732), (3388, 61387), (3454, 60214), (3542, 58718), (3611, 57596), (4114, 50554), (4301, 48356), (4396, 47311), (5236, 39721), (5338, 38962), (5474, 37994), (5566, 37366), (6908, 30107), (7084, 29359), (7222, 28798), (8228, 25277), (8602, 24178), (10676, 19481), (10948, 18997), (11132, 18683), (12089, 17204), (14399, 14444)]