202288520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{722459}}^1$

素因数の和:722477

約数の個数: 32

約数和(自身を含む): 520171200

約数和(自身を除く): 317882680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 722459, 1444918, 2889836, 3612295, 5057213, 5779672, 7224590, 10114426, 14449180, 20228852, 25286065, 28898360, 40457704, 50572130, 101144260, 202288520]

約数ペア:

[(1, 202288520), (2, 101144260), (4, 50572130), (5, 40457704), (7, 28898360), (8, 25286065), (10, 20228852), (14, 14449180), (20, 10114426), (28, 7224590), (35, 5779672), (40, 5057213), (56, 3612295), (70, 2889836), (140, 1444918), (280, 722459)]