394644880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 1097072640

約数和(自身を除く): 702427760

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, 179, 217, 248, 254, 280, 310, 358, 434, 496, 508, 560, 620, 635, 716, 868, 889, 895, 1016, 1085, 1240, 1253, 1270, 1432, 1736, 1778, 1790, 2032, 2170, 2480, 2506, 2540, 2864, 3472, 3556, 3580, 3937, 4340, 4445, 5012, 5080, 5549, 6265, 7112, 7160, 7874, 8680, 8890, 10024, 10160, 11098, 12530, 14224, 14320, 15748, 17360, 17780, 19685, 20048, 22196, 22733, 25060, 27559, 27745, 31496, 35560, 38843, 39370, 44392, 45466, 50120, 55118, 55490, 62992, 71120, 77686, 78740, 88784, 90932, 100240, 110236, 110980, 113665, 137795, 155372, 157480, 159131, 181864, 194215, 220472, 221960, 227330, 275590, 310744, 314960, 318262, 363728, 388430, 440944, 443920, 454660, 551180, 621488, 636524, 704723, 776860, 795655, 909320, 1102360, 1273048, 1409446, 1553720, 1591310, 1818640, 2204720, 2546096, 2818892, 3107440, 3182620, 3523615, 4933061, 5637784, 6365240, 7047230, 9866122, 11275568, 12730480, 14094460, 19732244, 24665305, 28188920, 39464488, 49330610, 56377840, 78928976, 98661220, 197322440, 394644880]

約数ペア:

[(1, 394644880), (2, 197322440), (4, 98661220), (5, 78928976), (7, 56377840), (8, 49330610), (10, 39464488), (14, 28188920), (16, 24665305), (20, 19732244), (28, 14094460), (31, 12730480), (35, 11275568), (40, 9866122), (56, 7047230), (62, 6365240), (70, 5637784), (80, 4933061), (112, 3523615), (124, 3182620), (127, 3107440), (140, 2818892), (155, 2546096), (179, 2204720), (217, 1818640), (248, 1591310), (254, 1553720), (280, 1409446), (310, 1273048), (358, 1102360), (434, 909320), (496, 795655), (508, 776860), (560, 704723), (620, 636524), (635, 621488), (716, 551180), (868, 454660), (889, 443920), (895, 440944), (1016, 388430), (1085, 363728), (1240, 318262), (1253, 314960), (1270, 310744), (1432, 275590), (1736, 227330), (1778, 221960), (1790, 220472), (2032, 194215), (2170, 181864), (2480, 159131), (2506, 157480), (2540, 155372), (2864, 137795), (3472, 113665), (3556, 110980), (3580, 110236), (3937, 100240), (4340, 90932), (4445, 88784), (5012, 78740), (5080, 77686), (5549, 71120), (6265, 62992), (7112, 55490), (7160, 55118), (7874, 50120), (8680, 45466), (8890, 44392), (10024, 39370), (10160, 38843), (11098, 35560), (12530, 31496), (14224, 27745), (14320, 27559), (15748, 25060), (17360, 22733), (17780, 22196), (19685, 20048)]