78395870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{3209}}^1$

素因数の和:3572

約数の個数: 32

約数和(自身を含む): 161784000

約数和(自身を除く): 83388130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 349, 698, 1745, 2443, 3209, 3490, 4886, 6418, 12215, 16045, 22463, 24430, 32090, 44926, 112315, 224630, 1119941, 2239882, 5599705, 7839587, 11199410, 15679174, 39197935, 78395870]

約数ペア:

[(1, 78395870), (2, 39197935), (5, 15679174), (7, 11199410), (10, 7839587), (14, 5599705), (35, 2239882), (70, 1119941), (349, 224630), (698, 112315), (1745, 44926), (2443, 32090), (3209, 24430), (3490, 22463), (4886, 16045), (6418, 12215)]