201990425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4673}}^1$

素因数の和:4722

約数の個数: 48

約数和(自身を含む): 324562560

約数和(自身を除く): 122572135

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 325, 455, 475, 665, 1235, 1729, 2275, 3325, 4673, 6175, 8645, 23365, 32711, 43225, 60749, 88787, 116825, 163555, 303745, 425243, 443935, 621509, 817775, 1154231, 1518725, 2126215, 2219675, 3107545, 5771155, 8079617, 10631075, 15537725, 28855775, 40398085, 201990425]

約数ペア:

[(1, 201990425), (5, 40398085), (7, 28855775), (13, 15537725), (19, 10631075), (25, 8079617), (35, 5771155), (65, 3107545), (91, 2219675), (95, 2126215), (133, 1518725), (175, 1154231), (247, 817775), (325, 621509), (455, 443935), (475, 425243), (665, 303745), (1235, 163555), (1729, 116825), (2275, 88787), (3325, 60749), (4673, 43225), (6175, 32711), (8645, 23365)]