213857840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 160

約数和(自身を含む): 597295104

約数和(自身を除く): 383437264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 97, 112, 124, 127, 140, 155, 194, 217, 248, 254, 280, 310, 388, 434, 485, 496, 508, 560, 620, 635, 679, 776, 868, 889, 970, 1016, 1085, 1240, 1270, 1358, 1552, 1736, 1778, 1940, 2032, 2170, 2480, 2540, 2716, 3007, 3395, 3472, 3556, 3880, 3937, 4340, 4445, 5080, 5432, 6014, 6790, 7112, 7760, 7874, 8680, 8890, 10160, 10864, 12028, 12319, 13580, 14224, 15035, 15748, 17360, 17780, 19685, 21049, 24056, 24638, 27160, 27559, 30070, 31496, 35560, 39370, 42098, 48112, 49276, 54320, 55118, 60140, 61595, 62992, 71120, 78740, 84196, 86233, 98552, 105245, 110236, 120280, 123190, 137795, 157480, 168392, 172466, 197104, 210490, 220472, 240560, 246380, 275590, 314960, 336784, 344932, 381889, 420980, 431165, 440944, 492760, 551180, 689864, 763778, 841960, 862330, 985520, 1102360, 1379728, 1527556, 1683920, 1724660, 1909445, 2204720, 2673223, 3055112, 3449320, 3818890, 5346446, 6110224, 6898640, 7637780, 10692892, 13366115, 15275560, 21385784, 26732230, 30551120, 42771568, 53464460, 106928920, 213857840]

約数ペア:

[(1, 213857840), (2, 106928920), (4, 53464460), (5, 42771568), (7, 30551120), (8, 26732230), (10, 21385784), (14, 15275560), (16, 13366115), (20, 10692892), (28, 7637780), (31, 6898640), (35, 6110224), (40, 5346446), (56, 3818890), (62, 3449320), (70, 3055112), (80, 2673223), (97, 2204720), (112, 1909445), (124, 1724660), (127, 1683920), (140, 1527556), (155, 1379728), (194, 1102360), (217, 985520), (248, 862330), (254, 841960), (280, 763778), (310, 689864), (388, 551180), (434, 492760), (485, 440944), (496, 431165), (508, 420980), (560, 381889), (620, 344932), (635, 336784), (679, 314960), (776, 275590), (868, 246380), (889, 240560), (970, 220472), (1016, 210490), (1085, 197104), (1240, 172466), (1270, 168392), (1358, 157480), (1552, 137795), (1736, 123190), (1778, 120280), (1940, 110236), (2032, 105245), (2170, 98552), (2480, 86233), (2540, 84196), (2716, 78740), (3007, 71120), (3395, 62992), (3472, 61595), (3556, 60140), (3880, 55118), (3937, 54320), (4340, 49276), (4445, 48112), (5080, 42098), (5432, 39370), (6014, 35560), (6790, 31496), (7112, 30070), (7760, 27559), (7874, 27160), (8680, 24638), (8890, 24056), (10160, 21049), (10864, 19685), (12028, 17780), (12319, 17360), (13580, 15748), (14224, 15035)]