72867140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1721}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 160559280

約数和(自身を除く): 87692140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 1721, 2117, 3442, 4234, 6884, 8468, 8605, 10585, 17210, 21170, 34420, 42340, 49909, 99818, 125633, 199636, 249545, 251266, 499090, 502532, 628165, 998180, 1256330, 2512660, 3643357, 7286714, 14573428, 18216785, 36433570, 72867140]

約数ペア:

[(1, 72867140), (2, 36433570), (4, 18216785), (5, 14573428), (10, 7286714), (20, 3643357), (29, 2512660), (58, 1256330), (73, 998180), (116, 628165), (145, 502532), (146, 499090), (290, 251266), (292, 249545), (365, 199636), (580, 125633), (730, 99818), (1460, 49909), (1721, 42340), (2117, 34420), (3442, 21170), (4234, 17210), (6884, 10585), (8468, 8605)]