311243568

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 820185600

約数和(自身を除く): 508942032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 211, 237, 316, 389, 422, 474, 632, 633, 778, 844, 948, 1167, 1264, 1266, 1556, 1688, 1896, 2334, 2532, 3112, 3376, 3792, 4668, 5064, 6224, 9336, 10128, 16669, 18672, 30731, 33338, 50007, 61462, 66676, 82079, 92193, 100014, 122924, 133352, 164158, 184386, 200028, 245848, 246237, 266704, 328316, 368772, 400056, 491696, 492474, 656632, 737544, 800112, 984948, 1313264, 1475088, 1969896, 3939792, 6484241, 12968482, 19452723, 25936964, 38905446, 51873928, 77810892, 103747856, 155621784, 311243568]

約数ペア:

[(1, 311243568), (2, 155621784), (3, 103747856), (4, 77810892), (6, 51873928), (8, 38905446), (12, 25936964), (16, 19452723), (24, 12968482), (48, 6484241), (79, 3939792), (158, 1969896), (211, 1475088), (237, 1313264), (316, 984948), (389, 800112), (422, 737544), (474, 656632), (632, 492474), (633, 491696), (778, 400056), (844, 368772), (948, 328316), (1167, 266704), (1264, 246237), (1266, 245848), (1556, 200028), (1688, 184386), (1896, 164158), (2334, 133352), (2532, 122924), (3112, 100014), (3376, 92193), (3792, 82079), (4668, 66676), (5064, 61462), (6224, 50007), (9336, 33338), (10128, 30731), (16669, 18672)]