887252860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 2144022048

約数和(自身を除く): 1256769188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 53, 62, 65, 67, 106, 124, 130, 134, 155, 212, 260, 265, 268, 310, 335, 403, 530, 620, 670, 689, 806, 871, 961, 1060, 1340, 1378, 1612, 1643, 1742, 1922, 2015, 2077, 2756, 3286, 3445, 3484, 3551, 3844, 4030, 4154, 4355, 4805, 6572, 6890, 7102, 8060, 8215, 8308, 8710, 9610, 10385, 12493, 13780, 14204, 16430, 17420, 17755, 19220, 20770, 21359, 24986, 27001, 32860, 35510, 41540, 42718, 46163, 49972, 50933, 54002, 62465, 64387, 71020, 85436, 92326, 101866, 106795, 108004, 110081, 124930, 128774, 135005, 184652, 203732, 213590, 220162, 230815, 249860, 254665, 257548, 270010, 321935, 427180, 440324, 461630, 509330, 540020, 550405, 643870, 662129, 837031, 923260, 1018660, 1100810, 1287740, 1324258, 1431053, 1674062, 2201620, 2648516, 2862106, 3310645, 3348124, 3412511, 4185155, 5724212, 6621290, 6825022, 7155265, 8370310, 13242580, 13650044, 14310530, 16740620, 17062555, 28621060, 34125110, 44362643, 68250220, 88725286, 177450572, 221813215, 443626430, 887252860]

約数ペア:

[(1, 887252860), (2, 443626430), (4, 221813215), (5, 177450572), (10, 88725286), (13, 68250220), (20, 44362643), (26, 34125110), (31, 28621060), (52, 17062555), (53, 16740620), (62, 14310530), (65, 13650044), (67, 13242580), (106, 8370310), (124, 7155265), (130, 6825022), (134, 6621290), (155, 5724212), (212, 4185155), (260, 3412511), (265, 3348124), (268, 3310645), (310, 2862106), (335, 2648516), (403, 2201620), (530, 1674062), (620, 1431053), (670, 1324258), (689, 1287740), (806, 1100810), (871, 1018660), (961, 923260), (1060, 837031), (1340, 662129), (1378, 643870), (1612, 550405), (1643, 540020), (1742, 509330), (1922, 461630), (2015, 440324), (2077, 427180), (2756, 321935), (3286, 270010), (3445, 257548), (3484, 254665), (3551, 249860), (3844, 230815), (4030, 220162), (4154, 213590), (4355, 203732), (4805, 184652), (6572, 135005), (6890, 128774), (7102, 124930), (8060, 110081), (8215, 108004), (8308, 106795), (8710, 101866), (9610, 92326), (10385, 85436), (12493, 71020), (13780, 64387), (14204, 62465), (16430, 54002), (17420, 50933), (17755, 49972), (19220, 46163), (20770, 42718), (21359, 41540), (24986, 35510), (27001, 32860)]