71801380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26993}}^1$

素因数の和:27028

約数の個数: 48

約数和(自身を含む): 181399680

約数和(自身を除く): 109598300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 26993, 53986, 107972, 134965, 188951, 269930, 377902, 512867, 539860, 755804, 944755, 1025734, 1889510, 2051468, 2564335, 3590069, 3779020, 5128670, 7180138, 10257340, 14360276, 17950345, 35900690, 71801380]

約数ペア:

[(1, 71801380), (2, 35900690), (4, 17950345), (5, 14360276), (7, 10257340), (10, 7180138), (14, 5128670), (19, 3779020), (20, 3590069), (28, 2564335), (35, 2051468), (38, 1889510), (70, 1025734), (76, 944755), (95, 755804), (133, 539860), (140, 512867), (190, 377902), (266, 269930), (380, 188951), (532, 134965), (665, 107972), (1330, 53986), (2660, 26993)]