6998180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 17648568

約数和(自身を除く): 10650388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 193, 196, 245, 259, 370, 386, 490, 518, 740, 772, 965, 980, 1036, 1295, 1351, 1813, 1930, 2590, 2702, 3626, 3860, 5180, 5404, 6755, 7141, 7252, 9065, 9457, 13510, 14282, 18130, 18914, 27020, 28564, 35705, 36260, 37828, 47285, 49987, 71410, 94570, 99974, 142820, 189140, 199948, 249935, 349909, 499870, 699818, 999740, 1399636, 1749545, 3499090, 6998180]

約数ペア:

[(1, 6998180), (2, 3499090), (4, 1749545), (5, 1399636), (7, 999740), (10, 699818), (14, 499870), (20, 349909), (28, 249935), (35, 199948), (37, 189140), (49, 142820), (70, 99974), (74, 94570), (98, 71410), (140, 49987), (148, 47285), (185, 37828), (193, 36260), (196, 35705), (245, 28564), (259, 27020), (370, 18914), (386, 18130), (490, 14282), (518, 13510), (740, 9457), (772, 9065), (965, 7252), (980, 7141), (1036, 6755), (1295, 5404), (1351, 5180), (1813, 3860), (1930, 3626), (2590, 2702)]