1780201610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1361}}^1$

素因数の和:1460

約数の個数: 96

約数和(自身を含む): 3756243456

約数和(自身を除く): 1976041846

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 47, 55, 94, 110, 115, 121, 230, 235, 242, 253, 470, 506, 517, 605, 1034, 1081, 1210, 1265, 1361, 2162, 2530, 2585, 2722, 2783, 5170, 5405, 5566, 5687, 6805, 10810, 11374, 11891, 13610, 13915, 14971, 23782, 27830, 28435, 29942, 31303, 56870, 59455, 62606, 63967, 74855, 118910, 127934, 130801, 149710, 156515, 164681, 261602, 313030, 319835, 329362, 344333, 639670, 654005, 688666, 703637, 823405, 1308010, 1407274, 1471241, 1646810, 1721665, 2942482, 3443330, 3518185, 3787663, 7036370, 7356205, 7575326, 7740007, 14712410, 15480014, 16183651, 18938315, 32367302, 37876630, 38700035, 77400070, 80918255, 161836510, 178020161, 356040322, 890100805, 1780201610]

約数ペア:

[(1, 1780201610), (2, 890100805), (5, 356040322), (10, 178020161), (11, 161836510), (22, 80918255), (23, 77400070), (46, 38700035), (47, 37876630), (55, 32367302), (94, 18938315), (110, 16183651), (115, 15480014), (121, 14712410), (230, 7740007), (235, 7575326), (242, 7356205), (253, 7036370), (470, 3787663), (506, 3518185), (517, 3443330), (605, 2942482), (1034, 1721665), (1081, 1646810), (1210, 1471241), (1265, 1407274), (1361, 1308010), (2162, 823405), (2530, 703637), (2585, 688666), (2722, 654005), (2783, 639670), (5170, 344333), (5405, 329362), (5566, 319835), (5687, 313030), (6805, 261602), (10810, 164681), (11374, 156515), (11891, 149710), (13610, 130801), (13915, 127934), (14971, 118910), (23782, 74855), (27830, 63967), (28435, 62606), (29942, 59455), (31303, 56870)]