138217480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 350697600

約数和(自身を除く): 212480120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 43, 58, 68, 85, 86, 116, 136, 145, 163, 170, 172, 215, 232, 290, 326, 340, 344, 430, 493, 580, 652, 680, 731, 815, 860, 986, 1160, 1247, 1304, 1462, 1630, 1720, 1972, 2465, 2494, 2771, 2924, 3260, 3655, 3944, 4727, 4930, 4988, 5542, 5848, 6235, 6520, 7009, 7310, 9454, 9860, 9976, 11084, 12470, 13855, 14018, 14620, 18908, 19720, 21199, 22168, 23635, 24940, 27710, 28036, 29240, 35045, 37816, 42398, 47270, 49880, 55420, 56072, 70090, 80359, 84796, 94540, 105995, 110840, 119153, 140180, 160718, 169592, 189080, 203261, 211990, 238306, 280360, 321436, 401795, 406522, 423980, 476612, 595765, 642872, 803590, 813044, 847960, 953224, 1016305, 1191530, 1607180, 1626088, 2032610, 2383060, 3214360, 3455437, 4065220, 4766120, 6910874, 8130440, 13821748, 17277185, 27643496, 34554370, 69108740, 138217480]

約数ペア:

[(1, 138217480), (2, 69108740), (4, 34554370), (5, 27643496), (8, 17277185), (10, 13821748), (17, 8130440), (20, 6910874), (29, 4766120), (34, 4065220), (40, 3455437), (43, 3214360), (58, 2383060), (68, 2032610), (85, 1626088), (86, 1607180), (116, 1191530), (136, 1016305), (145, 953224), (163, 847960), (170, 813044), (172, 803590), (215, 642872), (232, 595765), (290, 476612), (326, 423980), (340, 406522), (344, 401795), (430, 321436), (493, 280360), (580, 238306), (652, 211990), (680, 203261), (731, 189080), (815, 169592), (860, 160718), (986, 140180), (1160, 119153), (1247, 110840), (1304, 105995), (1462, 94540), (1630, 84796), (1720, 80359), (1972, 70090), (2465, 56072), (2494, 55420), (2771, 49880), (2924, 47270), (3260, 42398), (3655, 37816), (3944, 35045), (4727, 29240), (4930, 28036), (4988, 27710), (5542, 24940), (5848, 23635), (6235, 22168), (6520, 21199), (7009, 19720), (7310, 18908), (9454, 14620), (9860, 14018), (9976, 13855), (11084, 12470)]