1331000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^3$

素因数の和:54

約数の個数: 64

約数和(自身を含む): 3425760

約数和(自身を除く): 2094760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 125, 200, 220, 242, 250, 275, 440, 484, 500, 550, 605, 968, 1000, 1100, 1210, 1331, 1375, 2200, 2420, 2662, 2750, 3025, 4840, 5324, 5500, 6050, 6655, 10648, 11000, 12100, 13310, 15125, 24200, 26620, 30250, 33275, 53240, 60500, 66550, 121000, 133100, 166375, 266200, 332750, 665500, 1331000]

約数ペア:

[(1, 1331000), (2, 665500), (4, 332750), (5, 266200), (8, 166375), (10, 133100), (11, 121000), (20, 66550), (22, 60500), (25, 53240), (40, 33275), (44, 30250), (50, 26620), (55, 24200), (88, 15125), (100, 13310), (110, 12100), (121, 11000), (125, 10648), (200, 6655), (220, 6050), (242, 5500), (250, 5324), (275, 4840), (440, 3025), (484, 2750), (500, 2662), (550, 2420), (605, 2200), (968, 1375), (1000, 1331), (1100, 1210)]