989190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 2667600

約数和(自身を除く): 1678410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 379, 435, 522, 758, 870, 1137, 1305, 1895, 2274, 2610, 3411, 3790, 5685, 6822, 10991, 11370, 17055, 21982, 32973, 34110, 54955, 65946, 98919, 109910, 164865, 197838, 329730, 494595, 989190]

約数ペア:

[(1, 989190), (2, 494595), (3, 329730), (5, 197838), (6, 164865), (9, 109910), (10, 98919), (15, 65946), (18, 54955), (29, 34110), (30, 32973), (45, 21982), (58, 17055), (87, 11370), (90, 10991), (145, 6822), (174, 5685), (261, 3790), (290, 3411), (379, 2610), (435, 2274), (522, 1895), (758, 1305), (870, 1137)]