388632840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7411}}^1$

素因数の和:7467

約数の個数: 128

約数和(自身を含む): 1280793600

約数和(自身を除く): 892160760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 4370, 5244, 6555, 7411, 8740, 10488, 13110, 14822, 17480, 22233, 26220, 29644, 37055, 44466, 52440, 59288, 74110, 88932, 111165, 140809, 148220, 170453, 177864, 222330, 281618, 296440, 340906, 422427, 444660, 511359, 563236, 681812, 704045, 844854, 852265, 889320, 1022718, 1126472, 1363624, 1408090, 1689708, 1704530, 2045436, 2112135, 2556795, 2816180, 3238607, 3379416, 3409060, 4090872, 4224270, 5113590, 5632360, 6477214, 6818120, 8448540, 9715821, 10227180, 12954428, 16193035, 16897080, 19431642, 20454360, 25908856, 32386070, 38863284, 48579105, 64772140, 77726568, 97158210, 129544280, 194316420, 388632840]

約数ペア:

[(1, 388632840), (2, 194316420), (3, 129544280), (4, 97158210), (5, 77726568), (6, 64772140), (8, 48579105), (10, 38863284), (12, 32386070), (15, 25908856), (19, 20454360), (20, 19431642), (23, 16897080), (24, 16193035), (30, 12954428), (38, 10227180), (40, 9715821), (46, 8448540), (57, 6818120), (60, 6477214), (69, 5632360), (76, 5113590), (92, 4224270), (95, 4090872), (114, 3409060), (115, 3379416), (120, 3238607), (138, 2816180), (152, 2556795), (184, 2112135), (190, 2045436), (228, 1704530), (230, 1689708), (276, 1408090), (285, 1363624), (345, 1126472), (380, 1022718), (437, 889320), (456, 852265), (460, 844854), (552, 704045), (570, 681812), (690, 563236), (760, 511359), (874, 444660), (920, 422427), (1140, 340906), (1311, 296440), (1380, 281618), (1748, 222330), (2185, 177864), (2280, 170453), (2622, 148220), (2760, 140809), (3496, 111165), (4370, 88932), (5244, 74110), (6555, 59288), (7411, 52440), (8740, 44466), (10488, 37055), (13110, 29644), (14822, 26220), (17480, 22233)]