89892280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 212544000

約数和(自身を除く): 122651720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 199, 230, 398, 460, 491, 796, 920, 982, 995, 1592, 1964, 1990, 2455, 3928, 3980, 4577, 4910, 7960, 9154, 9820, 11293, 18308, 19640, 22586, 22885, 36616, 45172, 45770, 56465, 90344, 91540, 97709, 112930, 183080, 195418, 225860, 390836, 451720, 488545, 781672, 977090, 1954180, 2247307, 3908360, 4494614, 8989228, 11236535, 17978456, 22473070, 44946140, 89892280]

約数ペア:

[(1, 89892280), (2, 44946140), (4, 22473070), (5, 17978456), (8, 11236535), (10, 8989228), (20, 4494614), (23, 3908360), (40, 2247307), (46, 1954180), (92, 977090), (115, 781672), (184, 488545), (199, 451720), (230, 390836), (398, 225860), (460, 195418), (491, 183080), (796, 112930), (920, 97709), (982, 91540), (995, 90344), (1592, 56465), (1964, 45770), (1990, 45172), (2455, 36616), (3928, 22885), (3980, 22586), (4577, 19640), (4910, 18308), (7960, 11293), (9154, 9820)]