1291289380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{7867}}^1$

素因数の和:8188

約数の個数: 48

約数和(自身を含む): 2815485120

約数和(自身を除く): 1524195740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 283, 290, 566, 580, 1132, 1415, 2830, 5660, 7867, 8207, 15734, 16414, 31468, 32828, 39335, 41035, 78670, 82070, 157340, 164140, 228143, 456286, 912572, 1140715, 2226361, 2281430, 4452722, 4562860, 8905444, 11131805, 22263610, 44527220, 64564469, 129128938, 258257876, 322822345, 645644690, 1291289380]

約数ペア:

[(1, 1291289380), (2, 645644690), (4, 322822345), (5, 258257876), (10, 129128938), (20, 64564469), (29, 44527220), (58, 22263610), (116, 11131805), (145, 8905444), (283, 4562860), (290, 4452722), (566, 2281430), (580, 2226361), (1132, 1140715), (1415, 912572), (2830, 456286), (5660, 228143), (7867, 164140), (8207, 157340), (15734, 82070), (16414, 78670), (31468, 41035), (32828, 39335)]