2759180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 6259680

約数和(自身を除く): 3500500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 137, 190, 212, 265, 274, 380, 530, 548, 685, 1007, 1060, 1370, 2014, 2603, 2740, 4028, 5035, 5206, 7261, 10070, 10412, 13015, 14522, 20140, 26030, 29044, 36305, 52060, 72610, 137959, 145220, 275918, 551836, 689795, 1379590, 2759180]

約数ペア:

[(1, 2759180), (2, 1379590), (4, 689795), (5, 551836), (10, 275918), (19, 145220), (20, 137959), (38, 72610), (53, 52060), (76, 36305), (95, 29044), (106, 26030), (137, 20140), (190, 14522), (212, 13015), (265, 10412), (274, 10070), (380, 7261), (530, 5206), (548, 5035), (685, 4028), (1007, 2740), (1060, 2603), (1370, 2014)]