49702480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1721}}^1$

素因数の和:1772

約数の個数: 60

約数和(自身を含む): 122031252

約数和(自身を除く): 72328772

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1721, 1805, 2888, 3442, 3610, 5776, 6884, 7220, 8605, 13768, 14440, 17210, 27536, 28880, 32699, 34420, 65398, 68840, 130796, 137680, 163495, 261592, 326990, 523184, 621281, 653980, 1242562, 1307960, 2485124, 2615920, 3106405, 4970248, 6212810, 9940496, 12425620, 24851240, 49702480]

約数ペア:

[(1, 49702480), (2, 24851240), (4, 12425620), (5, 9940496), (8, 6212810), (10, 4970248), (16, 3106405), (19, 2615920), (20, 2485124), (38, 1307960), (40, 1242562), (76, 653980), (80, 621281), (95, 523184), (152, 326990), (190, 261592), (304, 163495), (361, 137680), (380, 130796), (722, 68840), (760, 65398), (1444, 34420), (1520, 32699), (1721, 28880), (1805, 27536), (2888, 17210), (3442, 14440), (3610, 13768), (5776, 8605), (6884, 7220)]