19908382400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1433}}^1$

素因数の和:1931

約数の個数: 168

約数和(自身を含む): 51714227280

約数和(自身を除く): 31805844880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 152, 160, 190, 200, 304, 320, 380, 400, 457, 475, 608, 760, 800, 914, 950, 1216, 1433, 1520, 1600, 1828, 1900, 2285, 2866, 3040, 3656, 3800, 4570, 5732, 6080, 7165, 7312, 7600, 8683, 9140, 11425, 11464, 14330, 14624, 15200, 17366, 18280, 22850, 22928, 27227, 28660, 29248, 30400, 34732, 35825, 36560, 43415, 45700, 45856, 54454, 57320, 69464, 71650, 73120, 86830, 91400, 91712, 108908, 114640, 136135, 138928, 143300, 146240, 173660, 182800, 217075, 217816, 229280, 272270, 277856, 286600, 347320, 365600, 434150, 435632, 458560, 544540, 555712, 573200, 654881, 680675, 694640, 731200, 868300, 871264, 1089080, 1146400, 1309762, 1361350, 1389280, 1736600, 1742528, 2178160, 2292800, 2619524, 2722700, 2778560, 3274405, 3473200, 4356320, 5239048, 5445400, 6548810, 6946400, 8712640, 10478096, 10890800, 12442739, 13097620, 13892800, 16372025, 20956192, 21781600, 24885478, 26195240, 32744050, 41912384, 43563200, 49770956, 52390480, 62213695, 65488100, 99541912, 104780960, 124427390, 130976200, 199083824, 209561920, 248854780, 261952400, 311068475, 398167648, 497709560, 523904800, 622136950, 796335296, 995419120, 1047809600, 1244273900, 1990838240, 2488547800, 3981676480, 4977095600, 9954191200, 19908382400]

約数ペア:

[(1, 19908382400), (2, 9954191200), (4, 4977095600), (5, 3981676480), (8, 2488547800), (10, 1990838240), (16, 1244273900), (19, 1047809600), (20, 995419120), (25, 796335296), (32, 622136950), (38, 523904800), (40, 497709560), (50, 398167648), (64, 311068475), (76, 261952400), (80, 248854780), (95, 209561920), (100, 199083824), (152, 130976200), (160, 124427390), (190, 104780960), (200, 99541912), (304, 65488100), (320, 62213695), (380, 52390480), (400, 49770956), (457, 43563200), (475, 41912384), (608, 32744050), (760, 26195240), (800, 24885478), (914, 21781600), (950, 20956192), (1216, 16372025), (1433, 13892800), (1520, 13097620), (1600, 12442739), (1828, 10890800), (1900, 10478096), (2285, 8712640), (2866, 6946400), (3040, 6548810), (3656, 5445400), (3800, 5239048), (4570, 4356320), (5732, 3473200), (6080, 3274405), (7165, 2778560), (7312, 2722700), (7600, 2619524), (8683, 2292800), (9140, 2178160), (11425, 1742528), (11464, 1736600), (14330, 1389280), (14624, 1361350), (15200, 1309762), (17366, 1146400), (18280, 1089080), (22850, 871264), (22928, 868300), (27227, 731200), (28660, 694640), (29248, 680675), (30400, 654881), (34732, 573200), (35825, 555712), (36560, 544540), (43415, 458560), (45700, 435632), (45856, 434150), (54454, 365600), (57320, 347320), (69464, 286600), (71650, 277856), (73120, 272270), (86830, 229280), (91400, 217816), (91712, 217075), (108908, 182800), (114640, 173660), (136135, 146240), (138928, 143300)]