289774890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1747}}^1$

素因数の和:1876

約数の個数: 96

約数和(自身を含む): 801702720

約数和(自身を除く): 511927830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 97, 114, 171, 190, 194, 285, 291, 342, 485, 570, 582, 855, 873, 970, 1455, 1710, 1746, 1747, 1843, 2910, 3494, 3686, 4365, 5241, 5529, 8730, 8735, 9215, 10482, 11058, 15723, 16587, 17470, 18430, 26205, 27645, 31446, 33174, 33193, 52410, 55290, 66386, 78615, 82935, 99579, 157230, 165870, 165965, 169459, 199158, 298737, 331930, 338918, 497895, 508377, 597474, 847295, 995790, 1016754, 1493685, 1525131, 1694590, 2541885, 2987370, 3050262, 3219721, 5083770, 6439442, 7625655, 9659163, 15251310, 16098605, 19318326, 28977489, 32197210, 48295815, 57954978, 96591630, 144887445, 289774890]

約数ペア:

[(1, 289774890), (2, 144887445), (3, 96591630), (5, 57954978), (6, 48295815), (9, 32197210), (10, 28977489), (15, 19318326), (18, 16098605), (19, 15251310), (30, 9659163), (38, 7625655), (45, 6439442), (57, 5083770), (90, 3219721), (95, 3050262), (97, 2987370), (114, 2541885), (171, 1694590), (190, 1525131), (194, 1493685), (285, 1016754), (291, 995790), (342, 847295), (485, 597474), (570, 508377), (582, 497895), (855, 338918), (873, 331930), (970, 298737), (1455, 199158), (1710, 169459), (1746, 165965), (1747, 165870), (1843, 157230), (2910, 99579), (3494, 82935), (3686, 78615), (4365, 66386), (5241, 55290), (5529, 52410), (8730, 33193), (8735, 33174), (9215, 31446), (10482, 27645), (11058, 26205), (15723, 18430), (16587, 17470)]