109489720

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{28219}}^1$

素因数の和:28327

約数の個数: 32

約数和(自身を含む): 248900400

約数和(自身を除く): 139410680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 28219, 56438, 112876, 141095, 225752, 282190, 564380, 1128760, 2737243, 5474486, 10948972, 13686215, 21897944, 27372430, 54744860, 109489720]

約数ペア:

[(1, 109489720), (2, 54744860), (4, 27372430), (5, 21897944), (8, 13686215), (10, 10948972), (20, 5474486), (40, 2737243), (97, 1128760), (194, 564380), (388, 282190), (485, 225752), (776, 141095), (970, 112876), (1940, 56438), (3880, 28219)]