38379985

素因数分解:

$5^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 56468160

約数和(自身を除く): 18088175

約数列:

[1, 5, 7, 23, 35, 49, 115, 139, 161, 245, 343, 695, 805, 973, 1127, 1715, 2401, 3197, 4865, 5635, 6811, 7889, 12005, 15985, 22379, 34055, 39445, 47677, 55223, 111895, 156653, 238385, 276115, 333739, 783265, 1096571, 1668695, 5482855, 7675997, 38379985]

約数ペア:

[(1, 38379985), (5, 7675997), (7, 5482855), (23, 1668695), (35, 1096571), (49, 783265), (115, 333739), (139, 276115), (161, 238385), (245, 156653), (343, 111895), (695, 55223), (805, 47677), (973, 39445), (1127, 34055), (1715, 22379), (2401, 15985), (3197, 12005), (4865, 7889), (5635, 6811)]