197779960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{706357}}^1$

素因数の和:706375

約数の個数: 32

約数和(自身を含む): 508577760

約数和(自身を除く): 310797800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 706357, 1412714, 2825428, 3531785, 4944499, 5650856, 7063570, 9888998, 14127140, 19777996, 24722495, 28254280, 39555992, 49444990, 98889980, 197779960]

約数ペア:

[(1, 197779960), (2, 98889980), (4, 49444990), (5, 39555992), (7, 28254280), (8, 24722495), (10, 19777996), (14, 14127140), (20, 9888998), (28, 7063570), (35, 5650856), (40, 4944499), (56, 3531785), (70, 2825428), (140, 1412714), (280, 706357)]