978035920

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1\times {\mathrm{587}}^1$

素因数の和:1012

約数の個数: 80

約数和(自身を含む): 2322976320

約数和(自身を除く): 1344940400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 353, 472, 587, 590, 706, 944, 1174, 1180, 1412, 1765, 2348, 2360, 2824, 2935, 3530, 4696, 4720, 5648, 5870, 7060, 9392, 11740, 14120, 20827, 23480, 28240, 34633, 41654, 46960, 69266, 83308, 104135, 138532, 166616, 173165, 207211, 208270, 277064, 333232, 346330, 414422, 416540, 554128, 692660, 828844, 833080, 1036055, 1385320, 1657688, 1666160, 2072110, 2770640, 3315376, 4144220, 8288440, 12225449, 16576880, 24450898, 48901796, 61127245, 97803592, 122254490, 195607184, 244508980, 489017960, 978035920]

約数ペア:

[(1, 978035920), (2, 489017960), (4, 244508980), (5, 195607184), (8, 122254490), (10, 97803592), (16, 61127245), (20, 48901796), (40, 24450898), (59, 16576880), (80, 12225449), (118, 8288440), (236, 4144220), (295, 3315376), (353, 2770640), (472, 2072110), (587, 1666160), (590, 1657688), (706, 1385320), (944, 1036055), (1174, 833080), (1180, 828844), (1412, 692660), (1765, 554128), (2348, 416540), (2360, 414422), (2824, 346330), (2935, 333232), (3530, 277064), (4696, 208270), (4720, 207211), (5648, 173165), (5870, 166616), (7060, 138532), (9392, 104135), (11740, 83308), (14120, 69266), (20827, 46960), (23480, 41654), (28240, 34633)]