256312060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{753859}}^1$

素因数の和:753885

約数の個数: 24

約数和(自身を含む): 569918160

約数和(自身を除く): 313606100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 753859, 1507718, 3015436, 3769295, 7538590, 12815603, 15077180, 25631206, 51262412, 64078015, 128156030, 256312060]

約数ペア:

[(1, 256312060), (2, 128156030), (4, 64078015), (5, 51262412), (10, 25631206), (17, 15077180), (20, 12815603), (34, 7538590), (68, 3769295), (85, 3015436), (170, 1507718), (340, 753859)]