1497888920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{17107}}^1$

素因数の和:17328

約数の個数: 64

約数和(自身を含む): 3695328000

約数和(自身を除く): 2197439080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 796, 995, 1592, 1990, 2189, 3980, 4378, 7960, 8756, 10945, 17107, 17512, 21890, 34214, 43780, 68428, 85535, 87560, 136856, 171070, 188177, 342140, 376354, 684280, 752708, 940885, 1505416, 1881770, 3404293, 3763540, 6808586, 7527080, 13617172, 17021465, 27234344, 34042930, 37447223, 68085860, 74894446, 136171720, 149788892, 187236115, 299577784, 374472230, 748944460, 1497888920]

約数ペア:

[(1, 1497888920), (2, 748944460), (4, 374472230), (5, 299577784), (8, 187236115), (10, 149788892), (11, 136171720), (20, 74894446), (22, 68085860), (40, 37447223), (44, 34042930), (55, 27234344), (88, 17021465), (110, 13617172), (199, 7527080), (220, 6808586), (398, 3763540), (440, 3404293), (796, 1881770), (995, 1505416), (1592, 940885), (1990, 752708), (2189, 684280), (3980, 376354), (4378, 342140), (7960, 188177), (8756, 171070), (10945, 136856), (17107, 87560), (17512, 85535), (21890, 68428), (34214, 43780)]