98000980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9091}}^1$

素因数の和:9125

約数の個数: 72

約数和(自身を含む): 261194976

約数和(自身を除く): 163193996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 9091, 10780, 18182, 36364, 45455, 63637, 90910, 100001, 127274, 181820, 200002, 254548, 318185, 400004, 445459, 500005, 636370, 700007, 890918, 1000010, 1272740, 1400014, 1781836, 2000020, 2227295, 2800028, 3500035, 4454590, 4900049, 7000070, 8909180, 9800098, 14000140, 19600196, 24500245, 49000490, 98000980]

約数ペア:

[(1, 98000980), (2, 49000490), (4, 24500245), (5, 19600196), (7, 14000140), (10, 9800098), (11, 8909180), (14, 7000070), (20, 4900049), (22, 4454590), (28, 3500035), (35, 2800028), (44, 2227295), (49, 2000020), (55, 1781836), (70, 1400014), (77, 1272740), (98, 1000010), (110, 890918), (140, 700007), (154, 636370), (196, 500005), (220, 445459), (245, 400004), (308, 318185), (385, 254548), (490, 200002), (539, 181820), (770, 127274), (980, 100001), (1078, 90910), (1540, 63637), (2156, 45455), (2695, 36364), (5390, 18182), (9091, 10780)]