1995010304

素因数分解:

$2^8\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1013}}^1$

素因数の和:1200

約数の個数: 108

約数和(自身を含む): 4666494924

約数和(自身を除く): 2671484620

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 157, 196, 224, 256, 314, 392, 448, 628, 784, 896, 1013, 1099, 1256, 1568, 1792, 2026, 2198, 2512, 3136, 4052, 4396, 5024, 6272, 7091, 7693, 8104, 8792, 10048, 12544, 14182, 15386, 16208, 17584, 20096, 28364, 30772, 32416, 35168, 40192, 49637, 56728, 61544, 64832, 70336, 99274, 113456, 123088, 129664, 140672, 159041, 198548, 226912, 246176, 259328, 281344, 318082, 397096, 453824, 492352, 636164, 794192, 907648, 984704, 1113287, 1272328, 1588384, 1815296, 1969408, 2226574, 2544656, 3176768, 4453148, 5089312, 6353536, 7793009, 8906296, 10178624, 12707072, 15586018, 17812592, 20357248, 31172036, 35625184, 40714496, 62344072, 71250368, 124688144, 142500736, 249376288, 285001472, 498752576, 997505152, 1995010304]

約数ペア:

[(1, 1995010304), (2, 997505152), (4, 498752576), (7, 285001472), (8, 249376288), (14, 142500736), (16, 124688144), (28, 71250368), (32, 62344072), (49, 40714496), (56, 35625184), (64, 31172036), (98, 20357248), (112, 17812592), (128, 15586018), (157, 12707072), (196, 10178624), (224, 8906296), (256, 7793009), (314, 6353536), (392, 5089312), (448, 4453148), (628, 3176768), (784, 2544656), (896, 2226574), (1013, 1969408), (1099, 1815296), (1256, 1588384), (1568, 1272328), (1792, 1113287), (2026, 984704), (2198, 907648), (2512, 794192), (3136, 636164), (4052, 492352), (4396, 453824), (5024, 397096), (6272, 318082), (7091, 281344), (7693, 259328), (8104, 246176), (8792, 226912), (10048, 198548), (12544, 159041), (14182, 140672), (15386, 129664), (16208, 123088), (17584, 113456), (20096, 99274), (28364, 70336), (30772, 64832), (32416, 61544), (35168, 56728), (40192, 49637)]