31383100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 78744960

約数和(自身を除く): 47361860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 107, 140, 175, 214, 350, 419, 428, 535, 700, 749, 838, 1070, 1498, 1676, 2095, 2140, 2675, 2933, 2996, 3745, 4190, 5350, 5866, 7490, 8380, 10475, 10700, 11732, 14665, 14980, 18725, 20950, 29330, 37450, 41900, 44833, 58660, 73325, 74900, 89666, 146650, 179332, 224165, 293300, 313831, 448330, 627662, 896660, 1120825, 1255324, 1569155, 2241650, 3138310, 4483300, 6276620, 7845775, 15691550, 31383100]

約数ペア:

[(1, 31383100), (2, 15691550), (4, 7845775), (5, 6276620), (7, 4483300), (10, 3138310), (14, 2241650), (20, 1569155), (25, 1255324), (28, 1120825), (35, 896660), (50, 627662), (70, 448330), (100, 313831), (107, 293300), (140, 224165), (175, 179332), (214, 146650), (350, 89666), (419, 74900), (428, 73325), (535, 58660), (700, 44833), (749, 41900), (838, 37450), (1070, 29330), (1498, 20950), (1676, 18725), (2095, 14980), (2140, 14665), (2675, 11732), (2933, 10700), (2996, 10475), (3745, 8380), (4190, 7490), (5350, 5866)]