399054320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:359

約数の個数: 160

約数和(自身を含む): 1109262336

約数和(自身を除く): 710208016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 127, 140, 155, 181, 217, 248, 254, 280, 310, 362, 434, 496, 508, 560, 620, 635, 724, 868, 889, 905, 1016, 1085, 1240, 1267, 1270, 1448, 1736, 1778, 1810, 2032, 2170, 2480, 2534, 2540, 2896, 3472, 3556, 3620, 3937, 4340, 4445, 5068, 5080, 5611, 6335, 7112, 7240, 7874, 8680, 8890, 10136, 10160, 11222, 12670, 14224, 14480, 15748, 17360, 17780, 19685, 20272, 22444, 22987, 25340, 27559, 28055, 31496, 35560, 39277, 39370, 44888, 45974, 50680, 55118, 56110, 62992, 71120, 78554, 78740, 89776, 91948, 101360, 110236, 112220, 114935, 137795, 157108, 157480, 160909, 183896, 196385, 220472, 224440, 229870, 275590, 314216, 314960, 321818, 367792, 392770, 440944, 448880, 459740, 551180, 628432, 643636, 712597, 785540, 804545, 919480, 1102360, 1287272, 1425194, 1571080, 1609090, 1838960, 2204720, 2574544, 2850388, 3142160, 3218180, 3562985, 4988179, 5700776, 6436360, 7125970, 9976358, 11401552, 12872720, 14251940, 19952716, 24940895, 28503880, 39905432, 49881790, 57007760, 79810864, 99763580, 199527160, 399054320]

約数ペア:

[(1, 399054320), (2, 199527160), (4, 99763580), (5, 79810864), (7, 57007760), (8, 49881790), (10, 39905432), (14, 28503880), (16, 24940895), (20, 19952716), (28, 14251940), (31, 12872720), (35, 11401552), (40, 9976358), (56, 7125970), (62, 6436360), (70, 5700776), (80, 4988179), (112, 3562985), (124, 3218180), (127, 3142160), (140, 2850388), (155, 2574544), (181, 2204720), (217, 1838960), (248, 1609090), (254, 1571080), (280, 1425194), (310, 1287272), (362, 1102360), (434, 919480), (496, 804545), (508, 785540), (560, 712597), (620, 643636), (635, 628432), (724, 551180), (868, 459740), (889, 448880), (905, 440944), (1016, 392770), (1085, 367792), (1240, 321818), (1267, 314960), (1270, 314216), (1448, 275590), (1736, 229870), (1778, 224440), (1810, 220472), (2032, 196385), (2170, 183896), (2480, 160909), (2534, 157480), (2540, 157108), (2896, 137795), (3472, 114935), (3556, 112220), (3620, 110236), (3937, 101360), (4340, 91948), (4445, 89776), (5068, 78740), (5080, 78554), (5611, 71120), (6335, 62992), (7112, 56110), (7240, 55118), (7874, 50680), (8680, 45974), (8890, 44888), (10136, 39370), (10160, 39277), (11222, 35560), (12670, 31496), (14224, 28055), (14480, 27559), (15748, 25340), (17360, 22987), (17780, 22444), (19685, 20272)]