48387500

素因数分解:

$2^2\times 5^5\times 7^2\times {\mathrm{79}}^1$

素因数の和:122

約数の個数: 108

約数和(自身を含む): 124679520

約数和(自身を除く): 76292020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 79, 98, 100, 125, 140, 158, 175, 196, 245, 250, 316, 350, 395, 490, 500, 553, 625, 700, 790, 875, 980, 1106, 1225, 1250, 1580, 1750, 1975, 2212, 2450, 2500, 2765, 3125, 3500, 3871, 3950, 4375, 4900, 5530, 6125, 6250, 7742, 7900, 8750, 9875, 11060, 12250, 12500, 13825, 15484, 17500, 19355, 19750, 21875, 24500, 27650, 30625, 38710, 39500, 43750, 49375, 55300, 61250, 69125, 77420, 87500, 96775, 98750, 122500, 138250, 153125, 193550, 197500, 246875, 276500, 306250, 345625, 387100, 483875, 493750, 612500, 691250, 967750, 987500, 1382500, 1728125, 1935500, 2419375, 3456250, 4838750, 6912500, 9677500, 12096875, 24193750, 48387500]

約数ペア:

[(1, 48387500), (2, 24193750), (4, 12096875), (5, 9677500), (7, 6912500), (10, 4838750), (14, 3456250), (20, 2419375), (25, 1935500), (28, 1728125), (35, 1382500), (49, 987500), (50, 967750), (70, 691250), (79, 612500), (98, 493750), (100, 483875), (125, 387100), (140, 345625), (158, 306250), (175, 276500), (196, 246875), (245, 197500), (250, 193550), (316, 153125), (350, 138250), (395, 122500), (490, 98750), (500, 96775), (553, 87500), (625, 77420), (700, 69125), (790, 61250), (875, 55300), (980, 49375), (1106, 43750), (1225, 39500), (1250, 38710), (1580, 30625), (1750, 27650), (1975, 24500), (2212, 21875), (2450, 19750), (2500, 19355), (2765, 17500), (3125, 15484), (3500, 13825), (3871, 12500), (3950, 12250), (4375, 11060), (4900, 9875), (5530, 8750), (6125, 7900), (6250, 7742)]