1785849880

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{1429}}^1$

素因数の和:1796

約数の個数: 64

約数和(自身を含む): 4066920000

約数和(自身を除く): 2281070120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 199, 314, 398, 628, 785, 796, 995, 1256, 1429, 1570, 1592, 1990, 2858, 3140, 3980, 5716, 6280, 7145, 7960, 11432, 14290, 28580, 31243, 57160, 62486, 124972, 156215, 224353, 249944, 284371, 312430, 448706, 568742, 624860, 897412, 1121765, 1137484, 1249720, 1421855, 1794824, 2243530, 2274968, 2843710, 4487060, 5687420, 8974120, 11374840, 44646247, 89292494, 178584988, 223231235, 357169976, 446462470, 892924940, 1785849880]

約数ペア:

[(1, 1785849880), (2, 892924940), (4, 446462470), (5, 357169976), (8, 223231235), (10, 178584988), (20, 89292494), (40, 44646247), (157, 11374840), (199, 8974120), (314, 5687420), (398, 4487060), (628, 2843710), (785, 2274968), (796, 2243530), (995, 1794824), (1256, 1421855), (1429, 1249720), (1570, 1137484), (1592, 1121765), (1990, 897412), (2858, 624860), (3140, 568742), (3980, 448706), (5716, 312430), (6280, 284371), (7145, 249944), (7960, 224353), (11432, 156215), (14290, 124972), (28580, 62486), (31243, 57160)]