217621000

素因数分解:

$2^3\times 5^3\times {\mathrm{269}}^1\times {\mathrm{809}}^1$

素因数の和:1099

約数の個数: 64

約数和(自身を含む): 511758000

約数和(自身を除く): 294137000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 269, 500, 538, 809, 1000, 1076, 1345, 1618, 2152, 2690, 3236, 4045, 5380, 6472, 6725, 8090, 10760, 13450, 16180, 20225, 26900, 32360, 33625, 40450, 53800, 67250, 80900, 101125, 134500, 161800, 202250, 217621, 269000, 404500, 435242, 809000, 870484, 1088105, 1740968, 2176210, 4352420, 5440525, 8704840, 10881050, 21762100, 27202625, 43524200, 54405250, 108810500, 217621000]

約数ペア:

[(1, 217621000), (2, 108810500), (4, 54405250), (5, 43524200), (8, 27202625), (10, 21762100), (20, 10881050), (25, 8704840), (40, 5440525), (50, 4352420), (100, 2176210), (125, 1740968), (200, 1088105), (250, 870484), (269, 809000), (500, 435242), (538, 404500), (809, 269000), (1000, 217621), (1076, 202250), (1345, 161800), (1618, 134500), (2152, 101125), (2690, 80900), (3236, 67250), (4045, 53800), (5380, 40450), (6472, 33625), (6725, 32360), (8090, 26900), (10760, 20225), (13450, 16180)]