27820240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 77352192

約数和(自身を除く): 49531952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 151, 188, 196, 235, 245, 280, 302, 329, 376, 392, 470, 490, 560, 604, 658, 752, 755, 784, 940, 980, 1057, 1208, 1316, 1510, 1645, 1880, 1960, 2114, 2303, 2416, 2632, 3020, 3290, 3760, 3920, 4228, 4606, 5264, 5285, 6040, 6580, 7097, 7399, 8456, 9212, 10570, 11515, 12080, 13160, 14194, 14798, 16912, 18424, 21140, 23030, 26320, 28388, 29596, 35485, 36848, 36995, 42280, 46060, 49679, 56776, 59192, 70970, 73990, 84560, 92120, 99358, 113552, 118384, 141940, 147980, 184240, 198716, 248395, 283880, 295960, 347753, 397432, 496790, 567760, 591920, 695506, 794864, 993580, 1391012, 1738765, 1987160, 2782024, 3477530, 3974320, 5564048, 6955060, 13910120, 27820240]

約数ペア:

[(1, 27820240), (2, 13910120), (4, 6955060), (5, 5564048), (7, 3974320), (8, 3477530), (10, 2782024), (14, 1987160), (16, 1738765), (20, 1391012), (28, 993580), (35, 794864), (40, 695506), (47, 591920), (49, 567760), (56, 496790), (70, 397432), (80, 347753), (94, 295960), (98, 283880), (112, 248395), (140, 198716), (151, 184240), (188, 147980), (196, 141940), (235, 118384), (245, 113552), (280, 99358), (302, 92120), (329, 84560), (376, 73990), (392, 70970), (470, 59192), (490, 56776), (560, 49679), (604, 46060), (658, 42280), (752, 36995), (755, 36848), (784, 35485), (940, 29596), (980, 28388), (1057, 26320), (1208, 23030), (1316, 21140), (1510, 18424), (1645, 16912), (1880, 14798), (1960, 14194), (2114, 13160), (2303, 12080), (2416, 11515), (2632, 10570), (3020, 9212), (3290, 8456), (3760, 7399), (3920, 7097), (4228, 6580), (4606, 6040), (5264, 5285)]