218391040

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1741}}^1$

素因数の和:1778

約数の個数: 120

約数和(自身を含む): 609466572

約数和(自身を除く): 391075532

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1741, 1792, 1960, 2240, 2560, 3136, 3482, 3584, 3920, 4480, 6272, 6964, 7840, 8705, 8960, 12187, 12544, 13928, 15680, 17410, 17920, 24374, 25088, 27856, 31360, 34820, 48748, 55712, 60935, 62720, 69640, 85309, 97496, 111424, 121870, 125440, 139280, 170618, 194992, 222848, 243740, 278560, 341236, 389984, 426545, 445696, 487480, 557120, 682472, 779968, 853090, 891392, 974960, 1114240, 1364944, 1559936, 1706180, 1949920, 2228480, 2729888, 3119872, 3412360, 3899840, 4456960, 5459776, 6239744, 6824720, 7799680, 10919552, 13649440, 15599360, 21839104, 27298880, 31198720, 43678208, 54597760, 109195520, 218391040]

約数ペア:

[(1, 218391040), (2, 109195520), (4, 54597760), (5, 43678208), (7, 31198720), (8, 27298880), (10, 21839104), (14, 15599360), (16, 13649440), (20, 10919552), (28, 7799680), (32, 6824720), (35, 6239744), (40, 5459776), (49, 4456960), (56, 3899840), (64, 3412360), (70, 3119872), (80, 2729888), (98, 2228480), (112, 1949920), (128, 1706180), (140, 1559936), (160, 1364944), (196, 1114240), (224, 974960), (245, 891392), (256, 853090), (280, 779968), (320, 682472), (392, 557120), (448, 487480), (490, 445696), (512, 426545), (560, 389984), (640, 341236), (784, 278560), (896, 243740), (980, 222848), (1120, 194992), (1280, 170618), (1568, 139280), (1741, 125440), (1792, 121870), (1960, 111424), (2240, 97496), (2560, 85309), (3136, 69640), (3482, 62720), (3584, 60935), (3920, 55712), (4480, 48748), (6272, 34820), (6964, 31360), (7840, 27856), (8705, 25088), (8960, 24374), (12187, 17920), (12544, 17410), (13928, 15680)]