90672380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1787}}^1$

素因数の和:1898

約数の個数: 48

約数和(自身を含む): 198253440

約数和(自身を除く): 107581060

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 430, 590, 860, 1180, 1787, 2537, 3574, 5074, 7148, 8935, 10148, 12685, 17870, 25370, 35740, 50740, 76841, 105433, 153682, 210866, 307364, 384205, 421732, 527165, 768410, 1054330, 1536820, 2108660, 4533619, 9067238, 18134476, 22668095, 45336190, 90672380]

約数ペア:

[(1, 90672380), (2, 45336190), (4, 22668095), (5, 18134476), (10, 9067238), (20, 4533619), (43, 2108660), (59, 1536820), (86, 1054330), (118, 768410), (172, 527165), (215, 421732), (236, 384205), (295, 307364), (430, 210866), (590, 153682), (860, 105433), (1180, 76841), (1787, 50740), (2537, 35740), (3574, 25370), (5074, 17870), (7148, 12685), (8935, 10148)]