38153980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 82385856

約数和(自身を除く): 44231876

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 277, 284, 355, 388, 485, 554, 710, 970, 1108, 1385, 1420, 1940, 2770, 5540, 6887, 13774, 19667, 26869, 27548, 34435, 39334, 53738, 68870, 78668, 98335, 107476, 134345, 137740, 196670, 268690, 393340, 537380, 1907699, 3815398, 7630796, 9538495, 19076990, 38153980]

約数ペア:

[(1, 38153980), (2, 19076990), (4, 9538495), (5, 7630796), (10, 3815398), (20, 1907699), (71, 537380), (97, 393340), (142, 268690), (194, 196670), (277, 137740), (284, 134345), (355, 107476), (388, 98335), (485, 78668), (554, 68870), (710, 53738), (970, 39334), (1108, 34435), (1385, 27548), (1420, 26869), (1940, 19667), (2770, 13774), (5540, 6887)]