389860128

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{21487}}^1$

素因数の和:21516

約数の個数: 120

約数和(自身を含む): 1310424192

約数和(自身を除く): 920564064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 252, 288, 324, 336, 378, 432, 504, 567, 648, 672, 756, 864, 1008, 1134, 1296, 1512, 2016, 2268, 2592, 3024, 4536, 6048, 9072, 18144, 21487, 42974, 64461, 85948, 128922, 150409, 171896, 193383, 257844, 300818, 343792, 386766, 451227, 515688, 580149, 601636, 687584, 773532, 902454, 1031376, 1160298, 1203272, 1353681, 1547064, 1740447, 1804908, 2062752, 2320596, 2406544, 2707362, 3094128, 3480894, 3609816, 4061043, 4641192, 4813088, 5414724, 6188256, 6961788, 7219632, 8122086, 9282384, 10829448, 12183129, 13923576, 14439264, 16244172, 18564768, 21658896, 24366258, 27847152, 32488344, 43317792, 48732516, 55694304, 64976688, 97465032, 129953376, 194930064, 389860128]

約数ペア:

[(1, 389860128), (2, 194930064), (3, 129953376), (4, 97465032), (6, 64976688), (7, 55694304), (8, 48732516), (9, 43317792), (12, 32488344), (14, 27847152), (16, 24366258), (18, 21658896), (21, 18564768), (24, 16244172), (27, 14439264), (28, 13923576), (32, 12183129), (36, 10829448), (42, 9282384), (48, 8122086), (54, 7219632), (56, 6961788), (63, 6188256), (72, 5414724), (81, 4813088), (84, 4641192), (96, 4061043), (108, 3609816), (112, 3480894), (126, 3094128), (144, 2707362), (162, 2406544), (168, 2320596), (189, 2062752), (216, 1804908), (224, 1740447), (252, 1547064), (288, 1353681), (324, 1203272), (336, 1160298), (378, 1031376), (432, 902454), (504, 773532), (567, 687584), (648, 601636), (672, 580149), (756, 515688), (864, 451227), (1008, 386766), (1134, 343792), (1296, 300818), (1512, 257844), (2016, 193383), (2268, 171896), (2592, 150409), (3024, 128922), (4536, 85948), (6048, 64461), (9072, 42974), (18144, 21487)]