77383880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276371}}^1$

素因数の和:276389

約数の個数: 32

約数和(自身を含む): 198987840

約数和(自身を除く): 121603960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276371, 552742, 1105484, 1381855, 1934597, 2210968, 2763710, 3869194, 5527420, 7738388, 9672985, 11054840, 15476776, 19345970, 38691940, 77383880]

約数ペア:

[(1, 77383880), (2, 38691940), (4, 19345970), (5, 15476776), (7, 11054840), (8, 9672985), (10, 7738388), (14, 5527420), (20, 3869194), (28, 2763710), (35, 2210968), (40, 1934597), (56, 1381855), (70, 1105484), (140, 552742), (280, 276371)]