7811190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 20451600

約数和(自身を除く): 12640410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229, 379, 458, 687, 758, 1137, 1145, 1374, 1895, 2061, 2274, 2290, 3411, 3435, 3790, 4122, 5685, 6822, 6870, 10305, 11370, 17055, 20610, 34110, 86791, 173582, 260373, 433955, 520746, 781119, 867910, 1301865, 1562238, 2603730, 3905595, 7811190]

約数ペア:

[(1, 7811190), (2, 3905595), (3, 2603730), (5, 1562238), (6, 1301865), (9, 867910), (10, 781119), (15, 520746), (18, 433955), (30, 260373), (45, 173582), (90, 86791), (229, 34110), (379, 20610), (458, 17055), (687, 11370), (758, 10305), (1137, 6870), (1145, 6822), (1374, 5685), (1895, 4122), (2061, 3790), (2274, 3435), (2290, 3411)]