2018139725

素因数分解:

$5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{56809}}^1$

素因数の和:56862

約数の個数: 36

約数和(自身を含む): 3011498100

約数和(自身を除く): 993358375

約数列:

[1, 5, 7, 25, 29, 35, 49, 145, 175, 203, 245, 725, 1015, 1225, 1421, 5075, 7105, 35525, 56809, 284045, 397663, 1420225, 1647461, 1988315, 2783641, 8237305, 9941575, 11532227, 13918205, 41186525, 57661135, 69591025, 80725589, 288305675, 403627945, 2018139725]

約数ペア:

[(1, 2018139725), (5, 403627945), (7, 288305675), (25, 80725589), (29, 69591025), (35, 57661135), (49, 41186525), (145, 13918205), (175, 11532227), (203, 9941575), (245, 8237305), (725, 2783641), (1015, 1988315), (1225, 1647461), (1421, 1420225), (5075, 397663), (7105, 284045), (35525, 56809)]