156914740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7933}}^1$

素因数の和:8008

約数の個数: 48

約数和(自身を含む): 351888768

約数和(自身を除く): 194974028

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 7933, 9890, 15866, 19780, 31732, 39665, 79330, 158660, 182459, 341119, 364918, 682238, 729836, 912295, 1364476, 1705595, 1824590, 3411190, 3649180, 6822380, 7845737, 15691474, 31382948, 39228685, 78457370, 156914740]

約数ペア:

[(1, 156914740), (2, 78457370), (4, 39228685), (5, 31382948), (10, 15691474), (20, 7845737), (23, 6822380), (43, 3649180), (46, 3411190), (86, 1824590), (92, 1705595), (115, 1364476), (172, 912295), (215, 729836), (230, 682238), (430, 364918), (460, 341119), (860, 182459), (989, 158660), (1978, 79330), (3956, 39665), (4945, 31732), (7933, 19780), (9890, 15866)]