30451900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4289}}^1$

素因数の和:4374

約数の個数: 36

約数和(自身を含む): 67026960

約数和(自身を除く): 36575060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 4289, 7100, 8578, 17156, 21445, 42890, 85780, 107225, 214450, 304519, 428900, 609038, 1218076, 1522595, 3045190, 6090380, 7612975, 15225950, 30451900]

約数ペア:

[(1, 30451900), (2, 15225950), (4, 7612975), (5, 6090380), (10, 3045190), (20, 1522595), (25, 1218076), (50, 609038), (71, 428900), (100, 304519), (142, 214450), (284, 107225), (355, 85780), (710, 42890), (1420, 21445), (1775, 17156), (3550, 8578), (4289, 7100)]