399488320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:589

約数の個数: 224

約数和(自身を含む): 1226612736

約数和(自身を除く): 827124416

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 64, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 248, 280, 308, 310, 320, 341, 352, 385, 434, 440, 448, 496, 523, 560, 616, 620, 682, 704, 770, 868, 880, 992, 1046, 1085, 1120, 1232, 1240, 1364, 1540, 1705, 1736, 1760, 1984, 2092, 2170, 2240, 2387, 2464, 2480, 2615, 2728, 3080, 3410, 3472, 3520, 3661, 4184, 4340, 4774, 4928, 4960, 5230, 5456, 5753, 6160, 6820, 6944, 7322, 8368, 8680, 9548, 9920, 10460, 10912, 11506, 11935, 12320, 13640, 13888, 14644, 16213, 16736, 17360, 18305, 19096, 20920, 21824, 23012, 23870, 24640, 27280, 28765, 29288, 32426, 33472, 34720, 36610, 38192, 40271, 41840, 46024, 47740, 54560, 57530, 58576, 64852, 69440, 73220, 76384, 80542, 81065, 83680, 92048, 95480, 109120, 113491, 115060, 117152, 129704, 146440, 152768, 161084, 162130, 167360, 178343, 184096, 190960, 201355, 226982, 230120, 234304, 259408, 292880, 322168, 324260, 356686, 368192, 381920, 402710, 453964, 460240, 518816, 567455, 585760, 644336, 648520, 713372, 763840, 805420, 891715, 907928, 920480, 1037632, 1134910, 1171520, 1248401, 1288672, 1297040, 1426744, 1610840, 1783430, 1815856, 1840960, 2269820, 2496802, 2577344, 2594080, 2853488, 3221680, 3566860, 3631712, 4539640, 4993604, 5188160, 5706976, 6242005, 6443360, 7133720, 7263424, 9079280, 9987208, 11413952, 12484010, 12886720, 14267440, 18158560, 19974416, 24968020, 28534880, 36317120, 39948832, 49936040, 57069760, 79897664, 99872080, 199744160, 399488320]

約数ペア:

[(1, 399488320), (2, 199744160), (4, 99872080), (5, 79897664), (7, 57069760), (8, 49936040), (10, 39948832), (11, 36317120), (14, 28534880), (16, 24968020), (20, 19974416), (22, 18158560), (28, 14267440), (31, 12886720), (32, 12484010), (35, 11413952), (40, 9987208), (44, 9079280), (55, 7263424), (56, 7133720), (62, 6443360), (64, 6242005), (70, 5706976), (77, 5188160), (80, 4993604), (88, 4539640), (110, 3631712), (112, 3566860), (124, 3221680), (140, 2853488), (154, 2594080), (155, 2577344), (160, 2496802), (176, 2269820), (217, 1840960), (220, 1815856), (224, 1783430), (248, 1610840), (280, 1426744), (308, 1297040), (310, 1288672), (320, 1248401), (341, 1171520), (352, 1134910), (385, 1037632), (434, 920480), (440, 907928), (448, 891715), (496, 805420), (523, 763840), (560, 713372), (616, 648520), (620, 644336), (682, 585760), (704, 567455), (770, 518816), (868, 460240), (880, 453964), (992, 402710), (1046, 381920), (1085, 368192), (1120, 356686), (1232, 324260), (1240, 322168), (1364, 292880), (1540, 259408), (1705, 234304), (1736, 230120), (1760, 226982), (1984, 201355), (2092, 190960), (2170, 184096), (2240, 178343), (2387, 167360), (2464, 162130), (2480, 161084), (2615, 152768), (2728, 146440), (3080, 129704), (3410, 117152), (3472, 115060), (3520, 113491), (3661, 109120), (4184, 95480), (4340, 92048), (4774, 83680), (4928, 81065), (4960, 80542), (5230, 76384), (5456, 73220), (5753, 69440), (6160, 64852), (6820, 58576), (6944, 57530), (7322, 54560), (8368, 47740), (8680, 46024), (9548, 41840), (9920, 40271), (10460, 38192), (10912, 36610), (11506, 34720), (11935, 33472), (12320, 32426), (13640, 29288), (13888, 28765), (14644, 27280), (16213, 24640), (16736, 23870), (17360, 23012), (18305, 21824), (19096, 20920)]