381570448880

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1\times {\mathrm{68053}}^1$

素因数の和:68818

約数の個数: 80

約数和(自身を含む): 896695836960

約数和(自身を除く): 515125388080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 643, 872, 1090, 1286, 1744, 2180, 2572, 3215, 4360, 5144, 6430, 8720, 10288, 12860, 25720, 51440, 68053, 70087, 136106, 140174, 272212, 280348, 340265, 350435, 544424, 560696, 680530, 700870, 1088848, 1121392, 1361060, 1401740, 2722120, 2803480, 5444240, 5606960, 7417777, 14835554, 29671108, 37088885, 43758079, 59342216, 74177770, 87516158, 118684432, 148355540, 175032316, 218790395, 296711080, 350064632, 437580790, 593422160, 700129264, 875161580, 1750323160, 3500646320, 4769630611, 9539261222, 19078522444, 23848153055, 38157044888, 47696306110, 76314089776, 95392612220, 190785224440, 381570448880]

約数ペア:

[(1, 381570448880), (2, 190785224440), (4, 95392612220), (5, 76314089776), (8, 47696306110), (10, 38157044888), (16, 23848153055), (20, 19078522444), (40, 9539261222), (80, 4769630611), (109, 3500646320), (218, 1750323160), (436, 875161580), (545, 700129264), (643, 593422160), (872, 437580790), (1090, 350064632), (1286, 296711080), (1744, 218790395), (2180, 175032316), (2572, 148355540), (3215, 118684432), (4360, 87516158), (5144, 74177770), (6430, 59342216), (8720, 43758079), (10288, 37088885), (12860, 29671108), (25720, 14835554), (51440, 7417777), (68053, 5606960), (70087, 5444240), (136106, 2803480), (140174, 2722120), (272212, 1401740), (280348, 1361060), (340265, 1121392), (350435, 1088848), (544424, 700870), (560696, 680530)]