156931505860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{457}}^1\times {\mathrm{2087}}^1$

素因数の和:3005

約数の個数: 96

約数和(自身を含む): 348630186240

約数和(自身を除く): 191698680380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 433, 457, 866, 914, 1732, 1828, 2087, 2165, 2285, 4174, 4330, 4570, 8227, 8348, 8660, 8683, 9140, 10435, 16454, 17366, 20870, 32908, 34732, 39653, 41135, 41740, 43415, 79306, 82270, 86830, 158612, 164540, 173660, 197881, 198265, 395762, 396530, 791524, 793060, 903671, 953759, 989405, 1807342, 1907518, 1978810, 3614684, 3759739, 3815036, 3957620, 4518355, 4768795, 7519478, 9036710, 9537590, 15038956, 17169749, 18073420, 18121421, 18798695, 19075180, 34339498, 36242842, 37597390, 68678996, 72485684, 75194780, 85848745, 90607105, 171697490, 181214210, 343394980, 362428420, 412977647, 825955294, 1651910588, 2064888235, 4129776470, 7846575293, 8259552940, 15693150586, 31386301172, 39232876465, 78465752930, 156931505860]

約数ペア:

[(1, 156931505860), (2, 78465752930), (4, 39232876465), (5, 31386301172), (10, 15693150586), (19, 8259552940), (20, 7846575293), (38, 4129776470), (76, 2064888235), (95, 1651910588), (190, 825955294), (380, 412977647), (433, 362428420), (457, 343394980), (866, 181214210), (914, 171697490), (1732, 90607105), (1828, 85848745), (2087, 75194780), (2165, 72485684), (2285, 68678996), (4174, 37597390), (4330, 36242842), (4570, 34339498), (8227, 19075180), (8348, 18798695), (8660, 18121421), (8683, 18073420), (9140, 17169749), (10435, 15038956), (16454, 9537590), (17366, 9036710), (20870, 7519478), (32908, 4768795), (34732, 4518355), (39653, 3957620), (41135, 3815036), (41740, 3759739), (43415, 3614684), (79306, 1978810), (82270, 1907518), (86830, 1807342), (158612, 989405), (164540, 953759), (173660, 903671), (197881, 793060), (198265, 791524), (395762, 396530)]