1489001120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{489803}}^1$

素因数の和:489837

約数の個数: 48

約数和(自身を含む): 3702918240

約数和(自身を除く): 2213917120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 489803, 979606, 1959212, 2449015, 3918424, 4898030, 7836848, 9306257, 9796060, 15673696, 18612514, 19592120, 37225028, 39184240, 46531285, 74450056, 78368480, 93062570, 148900112, 186125140, 297800224, 372250280, 744500560, 1489001120]

約数ペア:

[(1, 1489001120), (2, 744500560), (4, 372250280), (5, 297800224), (8, 186125140), (10, 148900112), (16, 93062570), (19, 78368480), (20, 74450056), (32, 46531285), (38, 39184240), (40, 37225028), (76, 19592120), (80, 18612514), (95, 15673696), (152, 9796060), (160, 9306257), (190, 7836848), (304, 4898030), (380, 3918424), (608, 2449015), (760, 1959212), (1520, 979606), (3040, 489803)]