157212400

素因数分解:

$2^4\times 5^2\times {\mathrm{393031}}^1$

素因数の和:393049

約数の個数: 30

約数和(自身を含む): 377703752

約数和(自身を除く): 220491352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 393031, 786062, 1572124, 1965155, 3144248, 3930310, 6288496, 7860620, 9825775, 15721240, 19651550, 31442480, 39303100, 78606200, 157212400]

約数ペア:

[(1, 157212400), (2, 78606200), (4, 39303100), (5, 31442480), (8, 19651550), (10, 15721240), (16, 9825775), (20, 7860620), (25, 6288496), (40, 3930310), (50, 3144248), (80, 1965155), (100, 1572124), (200, 786062), (400, 393031)]