8501900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 20623680

約数和(自身を除く): 12121780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 131, 220, 236, 262, 275, 295, 524, 550, 590, 649, 655, 1100, 1180, 1298, 1310, 1441, 1475, 2596, 2620, 2882, 2950, 3245, 3275, 5764, 5900, 6490, 6550, 7205, 7729, 12980, 13100, 14410, 15458, 16225, 28820, 30916, 32450, 36025, 38645, 64900, 72050, 77290, 85019, 144100, 154580, 170038, 193225, 340076, 386450, 425095, 772900, 850190, 1700380, 2125475, 4250950, 8501900]

約数ペア:

[(1, 8501900), (2, 4250950), (4, 2125475), (5, 1700380), (10, 850190), (11, 772900), (20, 425095), (22, 386450), (25, 340076), (44, 193225), (50, 170038), (55, 154580), (59, 144100), (100, 85019), (110, 77290), (118, 72050), (131, 64900), (220, 38645), (236, 36025), (262, 32450), (275, 30916), (295, 28820), (524, 16225), (550, 15458), (590, 14410), (649, 13100), (655, 12980), (1100, 7729), (1180, 7205), (1298, 6550), (1310, 6490), (1441, 5900), (1475, 5764), (2596, 3275), (2620, 3245), (2882, 2950)]