78860005420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{762227}}^1$

素因数の和:762982

約数の個数: 48

約数和(自身を含む): 189520369920

約数和(自身を除く): 110660364500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 739, 1478, 2956, 3695, 5173, 7390, 10346, 14780, 20692, 25865, 51730, 103460, 762227, 1524454, 3048908, 3811135, 5335589, 7622270, 10671178, 15244540, 21342356, 26677945, 53355890, 106711780, 563285753, 1126571506, 2253143012, 2816428765, 3943000271, 5632857530, 7886000542, 11265715060, 15772001084, 19715001355, 39430002710, 78860005420]

約数ペア:

[(1, 78860005420), (2, 39430002710), (4, 19715001355), (5, 15772001084), (7, 11265715060), (10, 7886000542), (14, 5632857530), (20, 3943000271), (28, 2816428765), (35, 2253143012), (70, 1126571506), (140, 563285753), (739, 106711780), (1478, 53355890), (2956, 26677945), (3695, 21342356), (5173, 15244540), (7390, 10671178), (10346, 7622270), (14780, 5335589), (20692, 3811135), (25865, 3048908), (51730, 1524454), (103460, 762227)]