2018802940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{187273}}^1$

素因数の和:187307

約数の個数: 72

約数和(自身を含む): 5380007472

約数和(自身を除く): 3361204532

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, 10780, 187273, 374546, 749092, 936365, 1310911, 1872730, 2060003, 2621822, 3745460, 4120006, 5243644, 6554555, 8240012, 9176377, 10300015, 13109110, 14420021, 18352754, 20600030, 26218220, 28840042, 36705508, 41200060, 45881885, 57680084, 72100105, 91763770, 100940147, 144200210, 183527540, 201880294, 288400420, 403760588, 504700735, 1009401470, 2018802940]

約数ペア:

[(1, 2018802940), (2, 1009401470), (4, 504700735), (5, 403760588), (7, 288400420), (10, 201880294), (11, 183527540), (14, 144200210), (20, 100940147), (22, 91763770), (28, 72100105), (35, 57680084), (44, 45881885), (49, 41200060), (55, 36705508), (70, 28840042), (77, 26218220), (98, 20600030), (110, 18352754), (140, 14420021), (154, 13109110), (196, 10300015), (220, 9176377), (245, 8240012), (308, 6554555), (385, 5243644), (490, 4120006), (539, 3745460), (770, 2621822), (980, 2060003), (1078, 1872730), (1540, 1310911), (2156, 936365), (2695, 749092), (5390, 374546), (10780, 187273)]