287339920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3187}}^1$

素因数の和:3237

約数の個数: 120

約数和(自身を含む): 811180224

約数和(自身を除く): 523840304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1610, 1840, 1960, 2254, 2576, 3187, 3220, 3920, 4508, 5635, 6374, 6440, 9016, 11270, 12748, 12880, 15935, 18032, 22309, 22540, 25496, 31870, 44618, 45080, 50992, 63740, 73301, 89236, 90160, 111545, 127480, 146602, 156163, 178472, 223090, 254960, 293204, 312326, 356944, 366505, 446180, 513107, 586408, 624652, 733010, 780815, 892360, 1026214, 1172816, 1249304, 1466020, 1561630, 1784720, 2052428, 2498608, 2565535, 2932040, 3123260, 3591749, 4104856, 5131070, 5864080, 6246520, 7183498, 8209712, 10262140, 12493040, 14366996, 17958745, 20524280, 28733992, 35917490, 41048560, 57467984, 71834980, 143669960, 287339920]

約数ペア:

[(1, 287339920), (2, 143669960), (4, 71834980), (5, 57467984), (7, 41048560), (8, 35917490), (10, 28733992), (14, 20524280), (16, 17958745), (20, 14366996), (23, 12493040), (28, 10262140), (35, 8209712), (40, 7183498), (46, 6246520), (49, 5864080), (56, 5131070), (70, 4104856), (80, 3591749), (92, 3123260), (98, 2932040), (112, 2565535), (115, 2498608), (140, 2052428), (161, 1784720), (184, 1561630), (196, 1466020), (230, 1249304), (245, 1172816), (280, 1026214), (322, 892360), (368, 780815), (392, 733010), (460, 624652), (490, 586408), (560, 513107), (644, 446180), (784, 366505), (805, 356944), (920, 312326), (980, 293204), (1127, 254960), (1288, 223090), (1610, 178472), (1840, 156163), (1960, 146602), (2254, 127480), (2576, 111545), (3187, 90160), (3220, 89236), (3920, 73301), (4508, 63740), (5635, 50992), (6374, 45080), (6440, 44618), (9016, 31870), (11270, 25496), (12748, 22540), (12880, 22309), (15935, 18032)]