207725420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2151

約数の個数: 96

約数和(自身を含む): 537255936

約数和(自身を除く): 329530516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 868, 1085, 1426, 1610, 2081, 2170, 2852, 3220, 3565, 4162, 4340, 4991, 7130, 8324, 9982, 10405, 14260, 14567, 19964, 20810, 24955, 29134, 41620, 47863, 49910, 58268, 64511, 72835, 95726, 99820, 129022, 145670, 191452, 239315, 258044, 291340, 322555, 335041, 451577, 478630, 645110, 670082, 903154, 957260, 1290220, 1340164, 1483753, 1675205, 1806308, 2257885, 2967506, 3350410, 4515770, 5935012, 6700820, 7418765, 9031540, 10386271, 14837530, 20772542, 29675060, 41545084, 51931355, 103862710, 207725420]

約数ペア:

[(1, 207725420), (2, 103862710), (4, 51931355), (5, 41545084), (7, 29675060), (10, 20772542), (14, 14837530), (20, 10386271), (23, 9031540), (28, 7418765), (31, 6700820), (35, 5935012), (46, 4515770), (62, 3350410), (70, 2967506), (92, 2257885), (115, 1806308), (124, 1675205), (140, 1483753), (155, 1340164), (161, 1290220), (217, 957260), (230, 903154), (310, 670082), (322, 645110), (434, 478630), (460, 451577), (620, 335041), (644, 322555), (713, 291340), (805, 258044), (868, 239315), (1085, 191452), (1426, 145670), (1610, 129022), (2081, 99820), (2170, 95726), (2852, 72835), (3220, 64511), (3565, 58268), (4162, 49910), (4340, 47863), (4991, 41620), (7130, 29134), (8324, 24955), (9982, 20810), (10405, 19964), (14260, 14567)]