78969200

素因数分解:

$2^4\times 5^2\times {\mathrm{197423}}^1$

素因数の和:197441

約数の個数: 30

約数和(自身を含む): 189724464

約数和(自身を除く): 110755264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 197423, 394846, 789692, 987115, 1579384, 1974230, 3158768, 3948460, 4935575, 7896920, 9871150, 15793840, 19742300, 39484600, 78969200]

約数ペア:

[(1, 78969200), (2, 39484600), (4, 19742300), (5, 15793840), (8, 9871150), (10, 7896920), (16, 4935575), (20, 3948460), (25, 3158768), (40, 1974230), (50, 1579384), (80, 987115), (100, 789692), (200, 394846), (400, 197423)]