200721920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 160

約数和(自身を含む): 575106048

約数和(自身を除く): 374384128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 487, 512, 560, 640, 644, 736, 805, 896, 920, 974, 1120, 1280, 1288, 1472, 1610, 1792, 1840, 1948, 2240, 2435, 2560, 2576, 2944, 3220, 3409, 3584, 3680, 3896, 4480, 4870, 5152, 5888, 6440, 6818, 7360, 7792, 8960, 9740, 10304, 11201, 11776, 12880, 13636, 14720, 15584, 17045, 17920, 19480, 20608, 22402, 25760, 27272, 29440, 31168, 34090, 38960, 41216, 44804, 51520, 54544, 56005, 58880, 62336, 68180, 77920, 78407, 82432, 89608, 103040, 109088, 112010, 124672, 136360, 155840, 156814, 179216, 206080, 218176, 224020, 249344, 272720, 311680, 313628, 358432, 392035, 412160, 436352, 448040, 545440, 623360, 627256, 716864, 784070, 872704, 896080, 1090880, 1246720, 1254512, 1433728, 1568140, 1745408, 1792160, 2181760, 2509024, 2867456, 3136280, 3584320, 4363520, 5018048, 5734912, 6272560, 7168640, 8727040, 10036096, 12545120, 14337280, 20072192, 25090240, 28674560, 40144384, 50180480, 100360960, 200721920]

約数ペア:

[(1, 200721920), (2, 100360960), (4, 50180480), (5, 40144384), (7, 28674560), (8, 25090240), (10, 20072192), (14, 14337280), (16, 12545120), (20, 10036096), (23, 8727040), (28, 7168640), (32, 6272560), (35, 5734912), (40, 5018048), (46, 4363520), (56, 3584320), (64, 3136280), (70, 2867456), (80, 2509024), (92, 2181760), (112, 1792160), (115, 1745408), (128, 1568140), (140, 1433728), (160, 1254512), (161, 1246720), (184, 1090880), (224, 896080), (230, 872704), (256, 784070), (280, 716864), (320, 627256), (322, 623360), (368, 545440), (448, 448040), (460, 436352), (487, 412160), (512, 392035), (560, 358432), (640, 313628), (644, 311680), (736, 272720), (805, 249344), (896, 224020), (920, 218176), (974, 206080), (1120, 179216), (1280, 156814), (1288, 155840), (1472, 136360), (1610, 124672), (1792, 112010), (1840, 109088), (1948, 103040), (2240, 89608), (2435, 82432), (2560, 78407), (2576, 77920), (2944, 68180), (3220, 62336), (3409, 58880), (3584, 56005), (3680, 54544), (3896, 51520), (4480, 44804), (4870, 41216), (5152, 38960), (5888, 34090), (6440, 31168), (6818, 29440), (7360, 27272), (7792, 25760), (8960, 22402), (9740, 20608), (10304, 19480), (11201, 17920), (11776, 17045), (12880, 15584), (13636, 14720)]