31812950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2879}}^1$

素因数の和:2921

約数の個数: 48

約数和(自身を含む): 67495680

約数和(自身を除く): 35682730

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 2879, 5525, 5758, 11050, 14395, 28790, 37427, 48943, 71975, 74854, 97886, 143950, 187135, 244715, 374270, 489430, 636259, 935675, 1223575, 1272518, 1871350, 2447150, 3181295, 6362590, 15906475, 31812950]

約数ペア:

[(1, 31812950), (2, 15906475), (5, 6362590), (10, 3181295), (13, 2447150), (17, 1871350), (25, 1272518), (26, 1223575), (34, 935675), (50, 636259), (65, 489430), (85, 374270), (130, 244715), (170, 187135), (221, 143950), (325, 97886), (425, 74854), (442, 71975), (650, 48943), (850, 37427), (1105, 28790), (2210, 14395), (2879, 11050), (5525, 5758)]