10991000

素因数分解:

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

素因数の和:429

約数の個数: 64

約数和(自身を含む): 26676000

約数和(自身を除く): 15685000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 379, 500, 580, 725, 758, 1000, 1160, 1450, 1516, 1895, 2900, 3032, 3625, 3790, 5800, 7250, 7580, 9475, 10991, 14500, 15160, 18950, 21982, 29000, 37900, 43964, 47375, 54955, 75800, 87928, 94750, 109910, 189500, 219820, 274775, 379000, 439640, 549550, 1099100, 1373875, 2198200, 2747750, 5495500, 10991000]

約数ペア:

[(1, 10991000), (2, 5495500), (4, 2747750), (5, 2198200), (8, 1373875), (10, 1099100), (20, 549550), (25, 439640), (29, 379000), (40, 274775), (50, 219820), (58, 189500), (100, 109910), (116, 94750), (125, 87928), (145, 75800), (200, 54955), (232, 47375), (250, 43964), (290, 37900), (379, 29000), (500, 21982), (580, 18950), (725, 15160), (758, 14500), (1000, 10991), (1160, 9475), (1450, 7580), (1516, 7250), (1895, 5800), (2900, 3790), (3032, 3625)]