550550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 72

約数和(自身を含む): 1385328

約数和(自身を除く): 834778

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 50, 55, 65, 70, 77, 91, 110, 121, 130, 143, 154, 175, 182, 242, 275, 286, 325, 350, 385, 455, 550, 605, 650, 715, 770, 847, 910, 1001, 1210, 1430, 1573, 1694, 1925, 2002, 2275, 3025, 3146, 3575, 3850, 4235, 4550, 5005, 6050, 7150, 7865, 8470, 10010, 11011, 15730, 21175, 22022, 25025, 39325, 42350, 50050, 55055, 78650, 110110, 275275, 550550]

約数ペア:

[(1, 550550), (2, 275275), (5, 110110), (7, 78650), (10, 55055), (11, 50050), (13, 42350), (14, 39325), (22, 25025), (25, 22022), (26, 21175), (35, 15730), (50, 11011), (55, 10010), (65, 8470), (70, 7865), (77, 7150), (91, 6050), (110, 5005), (121, 4550), (130, 4235), (143, 3850), (154, 3575), (175, 3146), (182, 3025), (242, 2275), (275, 2002), (286, 1925), (325, 1694), (350, 1573), (385, 1430), (455, 1210), (550, 1001), (605, 910), (650, 847), (715, 770)]