207758900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2385

約数の個数: 72

約数和(自身を含む): 481635840

約数和(自身を除く): 273876940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 290, 310, 580, 620, 725, 775, 899, 1450, 1550, 1798, 2311, 2900, 3100, 3596, 4495, 4622, 8990, 9244, 11555, 17980, 22475, 23110, 44950, 46220, 57775, 67019, 71641, 89900, 115550, 134038, 143282, 231100, 268076, 286564, 335095, 358205, 670190, 716410, 1340380, 1432820, 1675475, 1791025, 2077589, 3350950, 3582050, 4155178, 6701900, 7164100, 8310356, 10387945, 20775890, 41551780, 51939725, 103879450, 207758900]

約数ペア:

[(1, 207758900), (2, 103879450), (4, 51939725), (5, 41551780), (10, 20775890), (20, 10387945), (25, 8310356), (29, 7164100), (31, 6701900), (50, 4155178), (58, 3582050), (62, 3350950), (100, 2077589), (116, 1791025), (124, 1675475), (145, 1432820), (155, 1340380), (290, 716410), (310, 670190), (580, 358205), (620, 335095), (725, 286564), (775, 268076), (899, 231100), (1450, 143282), (1550, 134038), (1798, 115550), (2311, 89900), (2900, 71641), (3100, 67019), (3596, 57775), (4495, 46220), (4622, 44950), (8990, 23110), (9244, 22475), (11555, 17980)]