210938280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251117}}^1$

素因数の和:251138

約数の個数: 64

約数和(自身を含む): 723219840

約数和(自身を除く): 512281560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 251117, 502234, 753351, 1004468, 1255585, 1506702, 1757819, 2008936, 2511170, 3013404, 3515638, 3766755, 5022340, 5273457, 6026808, 7031276, 7533510, 8789095, 10044680, 10546914, 14062552, 15067020, 17578190, 21093828, 26367285, 30134040, 35156380, 42187656, 52734570, 70312760, 105469140, 210938280]

約数ペア:

[(1, 210938280), (2, 105469140), (3, 70312760), (4, 52734570), (5, 42187656), (6, 35156380), (7, 30134040), (8, 26367285), (10, 21093828), (12, 17578190), (14, 15067020), (15, 14062552), (20, 10546914), (21, 10044680), (24, 8789095), (28, 7533510), (30, 7031276), (35, 6026808), (40, 5273457), (42, 5022340), (56, 3766755), (60, 3515638), (70, 3013404), (84, 2511170), (105, 2008936), (120, 1757819), (140, 1506702), (168, 1255585), (210, 1004468), (280, 753351), (420, 502234), (840, 251117)]