878291260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{1013}}^1$

素因数の和:1603

約数の個数: 96

約数和(自身を含む): 2305884672

約数和(自身を除く): 1427593412

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 563, 770, 1013, 1126, 1540, 2026, 2252, 2815, 3941, 4052, 5065, 5630, 6193, 7091, 7882, 10130, 11143, 11260, 12386, 14182, 15764, 19705, 20260, 22286, 24772, 28364, 30965, 35455, 39410, 43351, 44572, 55715, 61930, 70910, 78001, 78820, 86702, 111430, 123860, 141820, 156002, 173404, 216755, 222860, 312004, 390005, 433510, 570319, 780010, 867020, 1140638, 1560020, 2281276, 2851595, 3992233, 5703190, 6273509, 7984466, 11406380, 12547018, 15968932, 19961165, 25094036, 31367545, 39922330, 43914563, 62735090, 79844660, 87829126, 125470180, 175658252, 219572815, 439145630, 878291260]

約数ペア:

[(1, 878291260), (2, 439145630), (4, 219572815), (5, 175658252), (7, 125470180), (10, 87829126), (11, 79844660), (14, 62735090), (20, 43914563), (22, 39922330), (28, 31367545), (35, 25094036), (44, 19961165), (55, 15968932), (70, 12547018), (77, 11406380), (110, 7984466), (140, 6273509), (154, 5703190), (220, 3992233), (308, 2851595), (385, 2281276), (563, 1560020), (770, 1140638), (1013, 867020), (1126, 780010), (1540, 570319), (2026, 433510), (2252, 390005), (2815, 312004), (3941, 222860), (4052, 216755), (5065, 173404), (5630, 156002), (6193, 141820), (7091, 123860), (7882, 111430), (10130, 86702), (11143, 78820), (11260, 78001), (12386, 70910), (14182, 61930), (15764, 55715), (19705, 44572), (20260, 43351), (22286, 39410), (24772, 35455), (28364, 30965)]