2018990120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{8111}}^1$

素因数の和:8263

約数の個数: 96

約数和(自身を含む): 5326663680

約数和(自身を除く): 3307673560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 127, 140, 196, 245, 254, 280, 392, 490, 508, 635, 889, 980, 1016, 1270, 1778, 1960, 2540, 3556, 4445, 5080, 6223, 7112, 8111, 8890, 12446, 16222, 17780, 24892, 31115, 32444, 35560, 40555, 49784, 56777, 62230, 64888, 81110, 113554, 124460, 162220, 227108, 248920, 283885, 324440, 397439, 454216, 567770, 794878, 1030097, 1135540, 1589756, 1987195, 2060194, 2271080, 3179512, 3974390, 4120388, 5150485, 7210679, 7948780, 8240776, 10300970, 14421358, 15897560, 20601940, 28842716, 36053395, 41203880, 50474753, 57685432, 72106790, 100949506, 144213580, 201899012, 252373765, 288427160, 403798024, 504747530, 1009495060, 2018990120]

約数ペア:

[(1, 2018990120), (2, 1009495060), (4, 504747530), (5, 403798024), (7, 288427160), (8, 252373765), (10, 201899012), (14, 144213580), (20, 100949506), (28, 72106790), (35, 57685432), (40, 50474753), (49, 41203880), (56, 36053395), (70, 28842716), (98, 20601940), (127, 15897560), (140, 14421358), (196, 10300970), (245, 8240776), (254, 7948780), (280, 7210679), (392, 5150485), (490, 4120388), (508, 3974390), (635, 3179512), (889, 2271080), (980, 2060194), (1016, 1987195), (1270, 1589756), (1778, 1135540), (1960, 1030097), (2540, 794878), (3556, 567770), (4445, 454216), (5080, 397439), (6223, 324440), (7112, 283885), (8111, 248920), (8890, 227108), (12446, 162220), (16222, 124460), (17780, 113554), (24892, 81110), (31115, 64888), (32444, 62230), (35560, 56777), (40555, 49784)]