380400760

素因数分解:

$2^3\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{4729}}^1$

素因数の和:6751

約数の個数: 32

約数和(自身を含む): 856508400

約数和(自身を除く): 476107640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2011, 4022, 4729, 8044, 9458, 10055, 16088, 18916, 20110, 23645, 37832, 40220, 47290, 80440, 94580, 189160, 9510019, 19020038, 38040076, 47550095, 76080152, 95100190, 190200380, 380400760]

約数ペア:

[(1, 380400760), (2, 190200380), (4, 95100190), (5, 76080152), (8, 47550095), (10, 38040076), (20, 19020038), (40, 9510019), (2011, 189160), (4022, 94580), (4729, 80440), (8044, 47290), (9458, 40220), (10055, 37832), (16088, 23645), (18916, 20110)]