245101710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1390

約数の個数: 128

約数和(自身を含む): 723271680

約数和(自身を除く): 478169970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 47, 57, 70, 94, 95, 105, 114, 133, 141, 190, 210, 235, 266, 282, 285, 329, 399, 470, 570, 658, 665, 705, 798, 893, 987, 1307, 1330, 1410, 1645, 1786, 1974, 1995, 2614, 2679, 3290, 3921, 3990, 4465, 4935, 5358, 6251, 6535, 7842, 8930, 9149, 9870, 12502, 13070, 13395, 18298, 18753, 19605, 24833, 26790, 27447, 31255, 37506, 39210, 45745, 49666, 54894, 61429, 62510, 74499, 91490, 93765, 122858, 124165, 137235, 148998, 173831, 184287, 187530, 248330, 274470, 307145, 347662, 368574, 372495, 430003, 521493, 614290, 744990, 860006, 869155, 921435, 1042986, 1167151, 1290009, 1738310, 1842870, 2150015, 2334302, 2580018, 2607465, 3501453, 4300030, 5214930, 5835755, 6450045, 7002906, 8170057, 11671510, 12900090, 16340114, 17507265, 24510171, 35014530, 40850285, 49020342, 81700570, 122550855, 245101710]

約数ペア:

[(1, 245101710), (2, 122550855), (3, 81700570), (5, 49020342), (6, 40850285), (7, 35014530), (10, 24510171), (14, 17507265), (15, 16340114), (19, 12900090), (21, 11671510), (30, 8170057), (35, 7002906), (38, 6450045), (42, 5835755), (47, 5214930), (57, 4300030), (70, 3501453), (94, 2607465), (95, 2580018), (105, 2334302), (114, 2150015), (133, 1842870), (141, 1738310), (190, 1290009), (210, 1167151), (235, 1042986), (266, 921435), (282, 869155), (285, 860006), (329, 744990), (399, 614290), (470, 521493), (570, 430003), (658, 372495), (665, 368574), (705, 347662), (798, 307145), (893, 274470), (987, 248330), (1307, 187530), (1330, 184287), (1410, 173831), (1645, 148998), (1786, 137235), (1974, 124165), (1995, 122858), (2614, 93765), (2679, 91490), (3290, 74499), (3921, 62510), (3990, 61429), (4465, 54894), (4935, 49666), (5358, 45745), (6251, 39210), (6535, 37506), (7842, 31255), (8930, 27447), (9149, 26790), (9870, 24833), (12502, 19605), (13070, 18753), (13395, 18298)]