311631040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{139121}}^1$

素因数の和:139145

約数の個数: 56

約数和(自身を含む): 848087712

約数和(自身を除く): 536456672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 139121, 278242, 556484, 695605, 973847, 1112968, 1391210, 1947694, 2225936, 2782420, 3895388, 4451872, 4869235, 5564840, 7790776, 8903744, 9738470, 11129680, 15581552, 19476940, 22259360, 31163104, 38953880, 44518720, 62326208, 77907760, 155815520, 311631040]

約数ペア:

[(1, 311631040), (2, 155815520), (4, 77907760), (5, 62326208), (7, 44518720), (8, 38953880), (10, 31163104), (14, 22259360), (16, 19476940), (20, 15581552), (28, 11129680), (32, 9738470), (35, 8903744), (40, 7790776), (56, 5564840), (64, 4869235), (70, 4451872), (80, 3895388), (112, 2782420), (140, 2225936), (160, 1947694), (224, 1391210), (280, 1112968), (320, 973847), (448, 695605), (560, 556484), (1120, 278242), (2240, 139121)]