399413504

素因数分解:

$2^8\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1873}}^1$

素因数の和:1920

約数の個数: 108

約数和(自身を含む): 982511964

約数和(自身を除く): 583098460

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 196, 224, 238, 256, 272, 392, 448, 476, 544, 784, 833, 896, 952, 1088, 1568, 1666, 1792, 1873, 1904, 2176, 3136, 3332, 3746, 3808, 4352, 6272, 6664, 7492, 7616, 12544, 13111, 13328, 14984, 15232, 26222, 26656, 29968, 30464, 31841, 52444, 53312, 59936, 63682, 91777, 104888, 106624, 119872, 127364, 183554, 209776, 213248, 222887, 239744, 254728, 367108, 419552, 445774, 479488, 509456, 734216, 839104, 891548, 1018912, 1468432, 1560209, 1678208, 1783096, 2037824, 2936864, 3120418, 3356416, 3566192, 4075648, 5873728, 6240836, 7132384, 8151296, 11747456, 12481672, 14264768, 23494912, 24963344, 28529536, 49926688, 57059072, 99853376, 199706752, 399413504]

約数ペア:

[(1, 399413504), (2, 199706752), (4, 99853376), (7, 57059072), (8, 49926688), (14, 28529536), (16, 24963344), (17, 23494912), (28, 14264768), (32, 12481672), (34, 11747456), (49, 8151296), (56, 7132384), (64, 6240836), (68, 5873728), (98, 4075648), (112, 3566192), (119, 3356416), (128, 3120418), (136, 2936864), (196, 2037824), (224, 1783096), (238, 1678208), (256, 1560209), (272, 1468432), (392, 1018912), (448, 891548), (476, 839104), (544, 734216), (784, 509456), (833, 479488), (896, 445774), (952, 419552), (1088, 367108), (1568, 254728), (1666, 239744), (1792, 222887), (1873, 213248), (1904, 209776), (2176, 183554), (3136, 127364), (3332, 119872), (3746, 106624), (3808, 104888), (4352, 91777), (6272, 63682), (6664, 59936), (7492, 53312), (7616, 52444), (12544, 31841), (13111, 30464), (13328, 29968), (14984, 26656), (15232, 26222)]