70510000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 100

約数和(自身を含む): 186521544

約数和(自身を除く): 116011544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 625, 641, 880, 1000, 1100, 1250, 1282, 1375, 2000, 2200, 2500, 2564, 2750, 3205, 4400, 5000, 5128, 5500, 6410, 6875, 7051, 10000, 10256, 11000, 12820, 13750, 14102, 16025, 22000, 25640, 27500, 28204, 32050, 35255, 51280, 55000, 56408, 64100, 70510, 80125, 110000, 112816, 128200, 141020, 160250, 176275, 256400, 282040, 320500, 352550, 400625, 564080, 641000, 705100, 801250, 881375, 1282000, 1410200, 1602500, 1762750, 2820400, 3205000, 3525500, 4406875, 6410000, 7051000, 8813750, 14102000, 17627500, 35255000, 70510000]

約数ペア:

[(1, 70510000), (2, 35255000), (4, 17627500), (5, 14102000), (8, 8813750), (10, 7051000), (11, 6410000), (16, 4406875), (20, 3525500), (22, 3205000), (25, 2820400), (40, 1762750), (44, 1602500), (50, 1410200), (55, 1282000), (80, 881375), (88, 801250), (100, 705100), (110, 641000), (125, 564080), (176, 400625), (200, 352550), (220, 320500), (250, 282040), (275, 256400), (400, 176275), (440, 160250), (500, 141020), (550, 128200), (625, 112816), (641, 110000), (880, 80125), (1000, 70510), (1100, 64100), (1250, 56408), (1282, 55000), (1375, 51280), (2000, 35255), (2200, 32050), (2500, 28204), (2564, 27500), (2750, 25640), (3205, 22000), (4400, 16025), (5000, 14102), (5128, 13750), (5500, 12820), (6410, 11000), (6875, 10256), (7051, 10000)]