78702940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{207113}}^1$

素因数の和:207141

約数の個数: 24

約数和(自身を含む): 173975760

約数和(自身を除く): 95272820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 207113, 414226, 828452, 1035565, 2071130, 3935147, 4142260, 7870294, 15740588, 19675735, 39351470, 78702940]

約数ペア:

[(1, 78702940), (2, 39351470), (4, 19675735), (5, 15740588), (10, 7870294), (19, 4142260), (20, 3935147), (38, 2071130), (76, 1035565), (95, 828452), (190, 414226), (380, 207113)]