630039025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2389}}^1$

素因数の和:2554

約数の個数: 48

約数和(自身を含む): 981544320

約数和(自身を除く): 351505295

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 137, 175, 275, 385, 685, 959, 1507, 1925, 2389, 3425, 4795, 7535, 10549, 11945, 16723, 23975, 26279, 37675, 52745, 59725, 83615, 131395, 183953, 263725, 327293, 418075, 656975, 919765, 1636465, 2291051, 3600223, 4598825, 8182325, 11455255, 18001115, 25201561, 57276275, 90005575, 126007805, 630039025]

約数ペア:

[(1, 630039025), (5, 126007805), (7, 90005575), (11, 57276275), (25, 25201561), (35, 18001115), (55, 11455255), (77, 8182325), (137, 4598825), (175, 3600223), (275, 2291051), (385, 1636465), (685, 919765), (959, 656975), (1507, 418075), (1925, 327293), (2389, 263725), (3425, 183953), (4795, 131395), (7535, 83615), (10549, 59725), (11945, 52745), (16723, 37675), (23975, 26279)]