138026140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1109}}^1$

素因数の和:1259

約数の個数: 72

約数和(自身を含む): 340139520

約数和(自身を除く): 202113380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 245, 254, 490, 508, 635, 889, 980, 1109, 1270, 1778, 2218, 2540, 3556, 4436, 4445, 5545, 6223, 7763, 8890, 11090, 12446, 15526, 17780, 22180, 24892, 31052, 31115, 38815, 54341, 62230, 77630, 108682, 124460, 140843, 155260, 217364, 271705, 281686, 543410, 563372, 704215, 985901, 1086820, 1408430, 1971802, 2816860, 3943604, 4929505, 6901307, 9859010, 13802614, 19718020, 27605228, 34506535, 69013070, 138026140]

約数ペア:

[(1, 138026140), (2, 69013070), (4, 34506535), (5, 27605228), (7, 19718020), (10, 13802614), (14, 9859010), (20, 6901307), (28, 4929505), (35, 3943604), (49, 2816860), (70, 1971802), (98, 1408430), (127, 1086820), (140, 985901), (196, 704215), (245, 563372), (254, 543410), (490, 281686), (508, 271705), (635, 217364), (889, 155260), (980, 140843), (1109, 124460), (1270, 108682), (1778, 77630), (2218, 62230), (2540, 54341), (3556, 38815), (4436, 31115), (4445, 31052), (5545, 24892), (6223, 22180), (7763, 17780), (8890, 15526), (11090, 12446)]