71023540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 108

約数和(自身を含む): 182695716

約数和(自身を除く): 111672176

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 137, 140, 161, 196, 230, 245, 274, 322, 460, 490, 529, 548, 644, 685, 805, 959, 980, 1058, 1127, 1370, 1610, 1918, 2116, 2254, 2645, 2740, 3151, 3220, 3703, 3836, 4508, 4795, 5290, 5635, 6302, 6713, 7406, 9590, 10580, 11270, 12604, 13426, 14812, 15755, 18515, 19180, 22057, 22540, 25921, 26852, 31510, 33565, 37030, 44114, 51842, 63020, 67130, 72473, 74060, 88228, 103684, 110285, 129605, 134260, 144946, 154399, 220570, 259210, 289892, 308798, 362365, 441140, 507311, 518420, 617596, 724730, 771995, 1014622, 1449460, 1543990, 2029244, 2536555, 3087980, 3551177, 5073110, 7102354, 10146220, 14204708, 17755885, 35511770, 71023540]

約数ペア:

[(1, 71023540), (2, 35511770), (4, 17755885), (5, 14204708), (7, 10146220), (10, 7102354), (14, 5073110), (20, 3551177), (23, 3087980), (28, 2536555), (35, 2029244), (46, 1543990), (49, 1449460), (70, 1014622), (92, 771995), (98, 724730), (115, 617596), (137, 518420), (140, 507311), (161, 441140), (196, 362365), (230, 308798), (245, 289892), (274, 259210), (322, 220570), (460, 154399), (490, 144946), (529, 134260), (548, 129605), (644, 110285), (685, 103684), (805, 88228), (959, 74060), (980, 72473), (1058, 67130), (1127, 63020), (1370, 51842), (1610, 44114), (1918, 37030), (2116, 33565), (2254, 31510), (2645, 26852), (2740, 25921), (3151, 22540), (3220, 22057), (3703, 19180), (3836, 18515), (4508, 15755), (4795, 14812), (5290, 13426), (5635, 12604), (6302, 11270), (6713, 10580), (7406, 9590)]