208069720

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{7001}}^1$

素因数の和:7755

約数の個数: 32

約数和(自身を含む): 468853920

約数和(自身を除く): 260784200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2972, 3715, 5944, 7001, 7430, 14002, 14860, 28004, 29720, 35005, 56008, 70010, 140020, 280040, 5201743, 10403486, 20806972, 26008715, 41613944, 52017430, 104034860, 208069720]

約数ペア:

[(1, 208069720), (2, 104034860), (4, 52017430), (5, 41613944), (8, 26008715), (10, 20806972), (20, 10403486), (40, 5201743), (743, 280040), (1486, 140020), (2972, 70010), (3715, 56008), (5944, 35005), (7001, 29720), (7430, 28004), (14002, 14860)]