26658940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2473}}^1$

素因数の和:2507

約数の個数: 72

約数和(自身を含む): 71073072

約数和(自身を除く): 44414132

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2473, 2695, 4946, 5390, 9892, 10780, 12365, 17311, 24730, 27203, 34622, 49460, 54406, 69244, 86555, 108812, 121177, 136015, 173110, 190421, 242354, 272030, 346220, 380842, 484708, 544060, 605885, 761684, 952105, 1211770, 1332947, 1904210, 2423540, 2665894, 3808420, 5331788, 6664735, 13329470, 26658940]

約数ペア:

[(1, 26658940), (2, 13329470), (4, 6664735), (5, 5331788), (7, 3808420), (10, 2665894), (11, 2423540), (14, 1904210), (20, 1332947), (22, 1211770), (28, 952105), (35, 761684), (44, 605885), (49, 544060), (55, 484708), (70, 380842), (77, 346220), (98, 272030), (110, 242354), (140, 190421), (154, 173110), (196, 136015), (220, 121177), (245, 108812), (308, 86555), (385, 69244), (490, 54406), (539, 49460), (770, 34622), (980, 27203), (1078, 24730), (1540, 17311), (2156, 12365), (2473, 10780), (2695, 9892), (4946, 5390)]