1257800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 3087600

約数和(自身を除く): 1829800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 331, 380, 475, 662, 760, 950, 1324, 1655, 1900, 2648, 3310, 3800, 6289, 6620, 8275, 12578, 13240, 16550, 25156, 31445, 33100, 50312, 62890, 66200, 125780, 157225, 251560, 314450, 628900, 1257800]

約数ペア:

[(1, 1257800), (2, 628900), (4, 314450), (5, 251560), (8, 157225), (10, 125780), (19, 66200), (20, 62890), (25, 50312), (38, 33100), (40, 31445), (50, 25156), (76, 16550), (95, 13240), (100, 12578), (152, 8275), (190, 6620), (200, 6289), (331, 3800), (380, 3310), (475, 2648), (662, 1900), (760, 1655), (950, 1324)]