2056558900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{2311}}^1$

素因数の和:3145

約数の個数: 72

約数和(自身を含む): 4876562880

約数和(自身を除く): 2820003980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 809, 1100, 1618, 2311, 3236, 4045, 4622, 8090, 8899, 9244, 11555, 16180, 17798, 20225, 23110, 25421, 35596, 40450, 44495, 46220, 50842, 57775, 80900, 88990, 101684, 115550, 127105, 177980, 222475, 231100, 254210, 444950, 508420, 635525, 889900, 1271050, 1869599, 2542100, 3739198, 7478396, 9347995, 18695990, 20565589, 37391980, 41131178, 46739975, 82262356, 93479950, 102827945, 186959900, 205655890, 411311780, 514139725, 1028279450, 2056558900]

約数ペア:

[(1, 2056558900), (2, 1028279450), (4, 514139725), (5, 411311780), (10, 205655890), (11, 186959900), (20, 102827945), (22, 93479950), (25, 82262356), (44, 46739975), (50, 41131178), (55, 37391980), (100, 20565589), (110, 18695990), (220, 9347995), (275, 7478396), (550, 3739198), (809, 2542100), (1100, 1869599), (1618, 1271050), (2311, 889900), (3236, 635525), (4045, 508420), (4622, 444950), (8090, 254210), (8899, 231100), (9244, 222475), (11555, 177980), (16180, 127105), (17798, 115550), (20225, 101684), (23110, 88990), (25421, 80900), (35596, 57775), (40450, 50842), (44495, 46220)]