43126820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 101352384

約数和(自身を除く): 58225564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 251, 284, 355, 484, 502, 605, 710, 781, 1004, 1210, 1255, 1420, 1562, 2420, 2510, 2761, 3124, 3905, 5020, 5522, 7810, 8591, 11044, 13805, 15620, 17182, 17821, 27610, 30371, 34364, 35642, 42955, 55220, 60742, 71284, 85910, 89105, 121484, 151855, 171820, 178210, 196031, 303710, 356420, 392062, 607420, 784124, 980155, 1960310, 2156341, 3920620, 4312682, 8625364, 10781705, 21563410, 43126820]

約数ペア:

[(1, 43126820), (2, 21563410), (4, 10781705), (5, 8625364), (10, 4312682), (11, 3920620), (20, 2156341), (22, 1960310), (44, 980155), (55, 784124), (71, 607420), (110, 392062), (121, 356420), (142, 303710), (220, 196031), (242, 178210), (251, 171820), (284, 151855), (355, 121484), (484, 89105), (502, 85910), (605, 71284), (710, 60742), (781, 55220), (1004, 42955), (1210, 35642), (1255, 34364), (1420, 30371), (1562, 27610), (2420, 17821), (2510, 17182), (2761, 15620), (3124, 13805), (3905, 11044), (5020, 8591), (5522, 7810)]