210917800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{34019}}^1$

素因数の和:34066

約数の個数: 48

約数和(自身を含む): 506217600

約数和(自身を除く): 295299800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 34019, 68038, 136076, 170095, 272152, 340190, 680380, 850475, 1054589, 1360760, 1700950, 2109178, 3401900, 4218356, 5272945, 6803800, 8436712, 10545890, 21091780, 26364725, 42183560, 52729450, 105458900, 210917800]

約数ペア:

[(1, 210917800), (2, 105458900), (4, 52729450), (5, 42183560), (8, 26364725), (10, 21091780), (20, 10545890), (25, 8436712), (31, 6803800), (40, 5272945), (50, 4218356), (62, 3401900), (100, 2109178), (124, 1700950), (155, 1360760), (200, 1054589), (248, 850475), (310, 680380), (620, 340190), (775, 272152), (1240, 170095), (1550, 136076), (3100, 68038), (6200, 34019)]