420797440

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 176

約数和(自身を含む): 1179072000

約数和(自身を除く): 758274560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 112, 118, 128, 140, 160, 199, 224, 236, 256, 280, 295, 320, 398, 413, 448, 472, 512, 560, 590, 640, 796, 826, 896, 944, 995, 1024, 1120, 1180, 1280, 1393, 1592, 1652, 1792, 1888, 1990, 2065, 2240, 2360, 2560, 2786, 3184, 3304, 3584, 3776, 3980, 4130, 4480, 4720, 5120, 5572, 6368, 6608, 6965, 7168, 7552, 7960, 8260, 8960, 9440, 11144, 11741, 12736, 13216, 13930, 15104, 15920, 16520, 17920, 18880, 22288, 23482, 25472, 26432, 27860, 30208, 31840, 33040, 35840, 37760, 44576, 46964, 50944, 52864, 55720, 58705, 60416, 63680, 66080, 75520, 82187, 89152, 93928, 101888, 105728, 111440, 117410, 127360, 132160, 151040, 164374, 178304, 187856, 203776, 211456, 222880, 234820, 254720, 264320, 302080, 328748, 356608, 375712, 410935, 422912, 445760, 469640, 509440, 528640, 657496, 713216, 751424, 821870, 891520, 939280, 1018880, 1057280, 1314992, 1426432, 1502848, 1643740, 1783040, 1878560, 2114560, 2629984, 3005696, 3287480, 3566080, 3757120, 5259968, 6011392, 6574960, 7132160, 7514240, 10519936, 12022784, 13149920, 15028480, 21039872, 26299840, 30056960, 42079744, 52599680, 60113920, 84159488, 105199360, 210398720, 420797440]

約数ペア:

[(1, 420797440), (2, 210398720), (4, 105199360), (5, 84159488), (7, 60113920), (8, 52599680), (10, 42079744), (14, 30056960), (16, 26299840), (20, 21039872), (28, 15028480), (32, 13149920), (35, 12022784), (40, 10519936), (56, 7514240), (59, 7132160), (64, 6574960), (70, 6011392), (80, 5259968), (112, 3757120), (118, 3566080), (128, 3287480), (140, 3005696), (160, 2629984), (199, 2114560), (224, 1878560), (236, 1783040), (256, 1643740), (280, 1502848), (295, 1426432), (320, 1314992), (398, 1057280), (413, 1018880), (448, 939280), (472, 891520), (512, 821870), (560, 751424), (590, 713216), (640, 657496), (796, 528640), (826, 509440), (896, 469640), (944, 445760), (995, 422912), (1024, 410935), (1120, 375712), (1180, 356608), (1280, 328748), (1393, 302080), (1592, 264320), (1652, 254720), (1792, 234820), (1888, 222880), (1990, 211456), (2065, 203776), (2240, 187856), (2360, 178304), (2560, 164374), (2786, 151040), (3184, 132160), (3304, 127360), (3584, 117410), (3776, 111440), (3980, 105728), (4130, 101888), (4480, 93928), (4720, 89152), (5120, 82187), (5572, 75520), (6368, 66080), (6608, 63680), (6965, 60416), (7168, 58705), (7552, 55720), (7960, 52864), (8260, 50944), (8960, 46964), (9440, 44576), (11144, 37760), (11741, 35840), (12736, 33040), (13216, 31840), (13930, 30208), (15104, 27860), (15920, 26432), (16520, 25472), (17920, 23482), (18880, 22288)]