311310880

素因数分解:

$2^5\times 5^1\times {\mathrm{853}}^1\times {\mathrm{2281}}^1$

素因数の和:3149

約数の個数: 48

約数和(自身を含む): 736656984

約数和(自身を除く): 425346104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 853, 1706, 2281, 3412, 4265, 4562, 6824, 8530, 9124, 11405, 13648, 17060, 18248, 22810, 27296, 34120, 36496, 45620, 68240, 72992, 91240, 136480, 182480, 364960, 1945693, 3891386, 7782772, 9728465, 15565544, 19456930, 31131088, 38913860, 62262176, 77827720, 155655440, 311310880]

約数ペア:

[(1, 311310880), (2, 155655440), (4, 77827720), (5, 62262176), (8, 38913860), (10, 31131088), (16, 19456930), (20, 15565544), (32, 9728465), (40, 7782772), (80, 3891386), (160, 1945693), (853, 364960), (1706, 182480), (2281, 136480), (3412, 91240), (4265, 72992), (4562, 68240), (6824, 45620), (8530, 36496), (9124, 34120), (11405, 27296), (13648, 22810), (17060, 18248)]