39698820

素因数分解:

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

素因数の和:679

約数の個数: 144

約数和(自身を含む): 140649600

約数和(自身を除く): 100950780

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, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 643, 686, 735, 882, 980, 1029, 1260, 1286, 1372, 1470, 1715, 1764, 1929, 2058, 2205, 2572, 2940, 3087, 3215, 3430, 3858, 4116, 4410, 4501, 5145, 5787, 6174, 6430, 6860, 7716, 8820, 9002, 9645, 10290, 11574, 12348, 12860, 13503, 15435, 18004, 19290, 20580, 22505, 23148, 27006, 28935, 30870, 31507, 38580, 40509, 45010, 54012, 57870, 61740, 63014, 67515, 81018, 90020, 94521, 115740, 126028, 135030, 157535, 162036, 189042, 202545, 220549, 270060, 283563, 315070, 378084, 405090, 441098, 472605, 567126, 630140, 661647, 810180, 882196, 945210, 1102745, 1134252, 1323294, 1417815, 1890420, 1984941, 2205490, 2646588, 2835630, 3308235, 3969882, 4410980, 5671260, 6616470, 7939764, 9924705, 13232940, 19849410, 39698820]

約数ペア:

[(1, 39698820), (2, 19849410), (3, 13232940), (4, 9924705), (5, 7939764), (6, 6616470), (7, 5671260), (9, 4410980), (10, 3969882), (12, 3308235), (14, 2835630), (15, 2646588), (18, 2205490), (20, 1984941), (21, 1890420), (28, 1417815), (30, 1323294), (35, 1134252), (36, 1102745), (42, 945210), (45, 882196), (49, 810180), (60, 661647), (63, 630140), (70, 567126), (84, 472605), (90, 441098), (98, 405090), (105, 378084), (126, 315070), (140, 283563), (147, 270060), (180, 220549), (196, 202545), (210, 189042), (245, 162036), (252, 157535), (294, 135030), (315, 126028), (343, 115740), (420, 94521), (441, 90020), (490, 81018), (588, 67515), (630, 63014), (643, 61740), (686, 57870), (735, 54012), (882, 45010), (980, 40509), (1029, 38580), (1260, 31507), (1286, 30870), (1372, 28935), (1470, 27006), (1715, 23148), (1764, 22505), (1929, 20580), (2058, 19290), (2205, 18004), (2572, 15435), (2940, 13503), (3087, 12860), (3215, 12348), (3430, 11574), (3858, 10290), (4116, 9645), (4410, 9002), (4501, 8820), (5145, 7716), (5787, 6860), (6174, 6430)]