30551000

素因数分解:

$2^3\times 5^3\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 72334080

約数和(自身を除く): 41783080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 137, 200, 223, 250, 274, 446, 500, 548, 685, 892, 1000, 1096, 1115, 1370, 1784, 2230, 2740, 3425, 4460, 5480, 5575, 6850, 8920, 11150, 13700, 17125, 22300, 27400, 27875, 30551, 34250, 44600, 55750, 61102, 68500, 111500, 122204, 137000, 152755, 223000, 244408, 305510, 611020, 763775, 1222040, 1527550, 3055100, 3818875, 6110200, 7637750, 15275500, 30551000]

約数ペア:

[(1, 30551000), (2, 15275500), (4, 7637750), (5, 6110200), (8, 3818875), (10, 3055100), (20, 1527550), (25, 1222040), (40, 763775), (50, 611020), (100, 305510), (125, 244408), (137, 223000), (200, 152755), (223, 137000), (250, 122204), (274, 111500), (446, 68500), (500, 61102), (548, 55750), (685, 44600), (892, 34250), (1000, 30551), (1096, 27875), (1115, 27400), (1370, 22300), (1784, 17125), (2230, 13700), (2740, 11150), (3425, 8920), (4460, 6850), (5480, 5575)]