848173820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 1959216000

約数和(自身を除く): 1111042180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 169, 194, 199, 260, 338, 388, 398, 485, 676, 796, 845, 970, 995, 1261, 1690, 1940, 1990, 2197, 2522, 2587, 3380, 3980, 4394, 5044, 5174, 6305, 8788, 10348, 10985, 12610, 12935, 16393, 19303, 21970, 25220, 25870, 32786, 33631, 38606, 43940, 51740, 65572, 67262, 77212, 81965, 96515, 134524, 163930, 168155, 193030, 213109, 250939, 327860, 336310, 386060, 426218, 437203, 501878, 672620, 852436, 874406, 1003756, 1065545, 1254695, 1748812, 2131090, 2186015, 2509390, 3262207, 4262180, 4372030, 5018780, 6524414, 8744060, 13048828, 16311035, 32622070, 42408691, 65244140, 84817382, 169634764, 212043455, 424086910, 848173820]

約数ペア:

[(1, 848173820), (2, 424086910), (4, 212043455), (5, 169634764), (10, 84817382), (13, 65244140), (20, 42408691), (26, 32622070), (52, 16311035), (65, 13048828), (97, 8744060), (130, 6524414), (169, 5018780), (194, 4372030), (199, 4262180), (260, 3262207), (338, 2509390), (388, 2186015), (398, 2131090), (485, 1748812), (676, 1254695), (796, 1065545), (845, 1003756), (970, 874406), (995, 852436), (1261, 672620), (1690, 501878), (1940, 437203), (1990, 426218), (2197, 386060), (2522, 336310), (2587, 327860), (3380, 250939), (3980, 213109), (4394, 193030), (5044, 168155), (5174, 163930), (6305, 134524), (8788, 96515), (10348, 81965), (10985, 77212), (12610, 67262), (12935, 65572), (16393, 51740), (19303, 43940), (21970, 38606), (25220, 33631), (25870, 32786)]