74390980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{218797}}^1$

素因数の和:218823

約数の個数: 24

約数和(自身を含む): 165411288

約数和(自身を除く): 91020308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 218797, 437594, 875188, 1093985, 2187970, 3719549, 4375940, 7439098, 14878196, 18597745, 37195490, 74390980]

約数ペア:

[(1, 74390980), (2, 37195490), (4, 18597745), (5, 14878196), (10, 7439098), (17, 4375940), (20, 3719549), (34, 2187970), (68, 1093985), (85, 875188), (170, 437594), (340, 218797)]