311909780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{13183}}^1$

素因数の和:13225

約数の個数: 72

約数和(自身を含む): 810657792

約数和(自身を除く): 498748012

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11830, 13183, 23660, 26366, 52732, 65915, 92281, 131830, 171379, 184562, 263660, 342758, 369124, 461405, 685516, 856895, 922810, 1199653, 1713790, 1845620, 2227927, 2399306, 3427580, 4455854, 4798612, 5998265, 8911708, 11139635, 11996530, 15595489, 22279270, 23993060, 31190978, 44558540, 62381956, 77977445, 155954890, 311909780]

約数ペア:

[(1, 311909780), (2, 155954890), (4, 77977445), (5, 62381956), (7, 44558540), (10, 31190978), (13, 23993060), (14, 22279270), (20, 15595489), (26, 11996530), (28, 11139635), (35, 8911708), (52, 5998265), (65, 4798612), (70, 4455854), (91, 3427580), (130, 2399306), (140, 2227927), (169, 1845620), (182, 1713790), (260, 1199653), (338, 922810), (364, 856895), (455, 685516), (676, 461405), (845, 369124), (910, 342758), (1183, 263660), (1690, 184562), (1820, 171379), (2366, 131830), (3380, 92281), (4732, 65915), (5915, 52732), (11830, 26366), (13183, 23660)]