257029205220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{7398653}}^1$

素因数の和:7398861

約数の個数: 72

約数和(自身を含む): 783695026296

約数和(自身を除く): 526665821076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2316, 2895, 3474, 3860, 5790, 6948, 8685, 11580, 17370, 34740, 7398653, 14797306, 22195959, 29594612, 36993265, 44391918, 66587877, 73986530, 88783836, 110979795, 133175754, 147973060, 221959590, 266351508, 332939385, 443919180, 665878770, 1331757540, 1427940029, 2855880058, 4283820087, 5711760116, 7139700145, 8567640174, 12851460261, 14279400290, 17135280348, 21419100435, 25702920522, 28558800580, 42838200870, 51405841044, 64257301305, 85676401740, 128514602610, 257029205220]

約数ペア:

[(1, 257029205220), (2, 128514602610), (3, 85676401740), (4, 64257301305), (5, 51405841044), (6, 42838200870), (9, 28558800580), (10, 25702920522), (12, 21419100435), (15, 17135280348), (18, 14279400290), (20, 12851460261), (30, 8567640174), (36, 7139700145), (45, 5711760116), (60, 4283820087), (90, 2855880058), (180, 1427940029), (193, 1331757540), (386, 665878770), (579, 443919180), (772, 332939385), (965, 266351508), (1158, 221959590), (1737, 147973060), (1930, 133175754), (2316, 110979795), (2895, 88783836), (3474, 73986530), (3860, 66587877), (5790, 44391918), (6948, 36993265), (8685, 29594612), (11580, 22195959), (17370, 14797306), (34740, 7398653)]