320836516

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11447}}^1$

素因数の和:11489

約数の個数: 72

約数和(自身を含む): 767382336

約数和(自身を除く): 446545820

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 11447, 14014, 22894, 28028, 45788, 80129, 125917, 148811, 160258, 251834, 297622, 320516, 503668, 560903, 595244, 881419, 1041677, 1121806, 1636921, 1762838, 2083354, 2243612, 3273842, 3525676, 4166708, 6169933, 6547684, 7291739, 11458447, 12339866, 14583478, 22916894, 24679732, 29166956, 45833788, 80209129, 160418258, 320836516]

約数ペア:

[(1, 320836516), (2, 160418258), (4, 80209129), (7, 45833788), (11, 29166956), (13, 24679732), (14, 22916894), (22, 14583478), (26, 12339866), (28, 11458447), (44, 7291739), (49, 6547684), (52, 6169933), (77, 4166708), (91, 3525676), (98, 3273842), (143, 2243612), (154, 2083354), (182, 1762838), (196, 1636921), (286, 1121806), (308, 1041677), (364, 881419), (539, 595244), (572, 560903), (637, 503668), (1001, 320516), (1078, 297622), (1274, 251834), (2002, 160258), (2156, 148811), (2548, 125917), (4004, 80129), (7007, 45788), (11447, 28028), (14014, 22894)]