880996940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{29347}}^1$

素因数の和:29454

約数の個数: 48

約数和(自身を含む): 1972185600

約数和(自身を除く): 1091188660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010, 29347, 30020, 58694, 117388, 146735, 293470, 557593, 586940, 1115186, 2230372, 2318413, 2787965, 4636826, 5575930, 9273652, 11151860, 11592065, 23184130, 44049847, 46368260, 88099694, 176199388, 220249235, 440498470, 880996940]

約数ペア:

[(1, 880996940), (2, 440498470), (4, 220249235), (5, 176199388), (10, 88099694), (19, 46368260), (20, 44049847), (38, 23184130), (76, 11592065), (79, 11151860), (95, 9273652), (158, 5575930), (190, 4636826), (316, 2787965), (380, 2318413), (395, 2230372), (790, 1115186), (1501, 586940), (1580, 557593), (3002, 293470), (6004, 146735), (7505, 117388), (15010, 58694), (29347, 30020)]