397453070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{22093}}^1$

素因数の和:22364

約数の個数: 32

約数和(自身を含む): 820836288

約数和(自身を除く): 423383218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 8995, 17990, 22093, 44186, 110465, 154651, 220930, 309302, 773255, 1546510, 5677901, 11355802, 28389505, 39745307, 56779010, 79490614, 198726535, 397453070]

約数ペア:

[(1, 397453070), (2, 198726535), (5, 79490614), (7, 56779010), (10, 39745307), (14, 28389505), (35, 11355802), (70, 5677901), (257, 1546510), (514, 773255), (1285, 309302), (1799, 220930), (2570, 154651), (3598, 110465), (8995, 44186), (17990, 22093)]