890387820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:829

約数の個数: 216

約数和(自身を含む): 3166725744

約数和(自身を除く): 2276337924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 157, 180, 196, 210, 245, 252, 294, 314, 315, 420, 441, 471, 490, 588, 628, 630, 643, 735, 785, 882, 942, 980, 1099, 1260, 1286, 1413, 1470, 1570, 1764, 1884, 1929, 2198, 2205, 2355, 2572, 2826, 2940, 3140, 3215, 3297, 3858, 4396, 4410, 4501, 4710, 5495, 5652, 5787, 6430, 6594, 7065, 7693, 7716, 8820, 9002, 9420, 9645, 9891, 10990, 11574, 12860, 13188, 13503, 14130, 15386, 16485, 18004, 19290, 19782, 21980, 22505, 23079, 23148, 27006, 28260, 28935, 30772, 31507, 32970, 38465, 38580, 39564, 40509, 45010, 46158, 49455, 54012, 57870, 63014, 65940, 67515, 69237, 76930, 81018, 90020, 92316, 94521, 98910, 100951, 115395, 115740, 126028, 135030, 138474, 153860, 157535, 162036, 189042, 197820, 201902, 202545, 230790, 270060, 276948, 283563, 302853, 315070, 346185, 378084, 403804, 405090, 461580, 472605, 504755, 567126, 605706, 630140, 692370, 706657, 810180, 908559, 945210, 1009510, 1134252, 1211412, 1384740, 1413314, 1417815, 1514265, 1817118, 1890420, 2019020, 2119971, 2826628, 2835630, 3028530, 3533285, 3634236, 4239942, 4542795, 4946599, 5671260, 6057060, 6359913, 7066570, 8479884, 9085590, 9893198, 10599855, 12719826, 14133140, 14839797, 18171180, 19786396, 21199710, 24732995, 25439652, 29679594, 31799565, 42399420, 44519391, 49465990, 59359188, 63599130, 74198985, 89038782, 98931980, 127198260, 148397970, 178077564, 222596955, 296795940, 445193910, 890387820]

約数ペア:

[(1, 890387820), (2, 445193910), (3, 296795940), (4, 222596955), (5, 178077564), (6, 148397970), (7, 127198260), (9, 98931980), (10, 89038782), (12, 74198985), (14, 63599130), (15, 59359188), (18, 49465990), (20, 44519391), (21, 42399420), (28, 31799565), (30, 29679594), (35, 25439652), (36, 24732995), (42, 21199710), (45, 19786396), (49, 18171180), (60, 14839797), (63, 14133140), (70, 12719826), (84, 10599855), (90, 9893198), (98, 9085590), (105, 8479884), (126, 7066570), (140, 6359913), (147, 6057060), (157, 5671260), (180, 4946599), (196, 4542795), (210, 4239942), (245, 3634236), (252, 3533285), (294, 3028530), (314, 2835630), (315, 2826628), (420, 2119971), (441, 2019020), (471, 1890420), (490, 1817118), (588, 1514265), (628, 1417815), (630, 1413314), (643, 1384740), (735, 1211412), (785, 1134252), (882, 1009510), (942, 945210), (980, 908559), (1099, 810180), (1260, 706657), (1286, 692370), (1413, 630140), (1470, 605706), (1570, 567126), (1764, 504755), (1884, 472605), (1929, 461580), (2198, 405090), (2205, 403804), (2355, 378084), (2572, 346185), (2826, 315070), (2940, 302853), (3140, 283563), (3215, 276948), (3297, 270060), (3858, 230790), (4396, 202545), (4410, 201902), (4501, 197820), (4710, 189042), (5495, 162036), (5652, 157535), (5787, 153860), (6430, 138474), (6594, 135030), (7065, 126028), (7693, 115740), (7716, 115395), (8820, 100951), (9002, 98910), (9420, 94521), (9645, 92316), (9891, 90020), (10990, 81018), (11574, 76930), (12860, 69237), (13188, 67515), (13503, 65940), (14130, 63014), (15386, 57870), (16485, 54012), (18004, 49455), (19290, 46158), (19782, 45010), (21980, 40509), (22505, 39564), (23079, 38580), (23148, 38465), (27006, 32970), (28260, 31507), (28935, 30772)]