129870740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{787}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 281713152

約数和(自身を除く): 151842412

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 223, 370, 446, 740, 787, 892, 1115, 1574, 2230, 3148, 3935, 4460, 7870, 8251, 15740, 16502, 29119, 33004, 41255, 58238, 82510, 116476, 145595, 165020, 175501, 291190, 351002, 582380, 702004, 877505, 1755010, 3510020, 6493537, 12987074, 25974148, 32467685, 64935370, 129870740]

約数ペア:

[(1, 129870740), (2, 64935370), (4, 32467685), (5, 25974148), (10, 12987074), (20, 6493537), (37, 3510020), (74, 1755010), (148, 877505), (185, 702004), (223, 582380), (370, 351002), (446, 291190), (740, 175501), (787, 165020), (892, 145595), (1115, 116476), (1574, 82510), (2230, 58238), (3148, 41255), (3935, 33004), (4460, 29119), (7870, 16502), (8251, 15740)]