2019998200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{83471}}^1$

素因数の和:83509

約数の個数: 72

約数和(自身を含む): 5162325840

約数和(自身を除く): 3142327640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 968, 1100, 1210, 2200, 2420, 3025, 4840, 6050, 12100, 24200, 83471, 166942, 333884, 417355, 667768, 834710, 918181, 1669420, 1836362, 2086775, 3338840, 3672724, 4173550, 4590905, 7345448, 8347100, 9181810, 10099991, 16694200, 18363620, 20199982, 22954525, 36727240, 40399964, 45909050, 50499955, 80799928, 91818100, 100999910, 183636200, 201999820, 252499775, 403999640, 504999550, 1009999100, 2019998200]

約数ペア:

[(1, 2019998200), (2, 1009999100), (4, 504999550), (5, 403999640), (8, 252499775), (10, 201999820), (11, 183636200), (20, 100999910), (22, 91818100), (25, 80799928), (40, 50499955), (44, 45909050), (50, 40399964), (55, 36727240), (88, 22954525), (100, 20199982), (110, 18363620), (121, 16694200), (200, 10099991), (220, 9181810), (242, 8347100), (275, 7345448), (440, 4590905), (484, 4173550), (550, 3672724), (605, 3338840), (968, 2086775), (1100, 1836362), (1210, 1669420), (2200, 918181), (2420, 834710), (3025, 667768), (4840, 417355), (6050, 333884), (12100, 166942), (24200, 83471)]