440100976

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 1001507328

約数和(自身を除く): 561406352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 151, 212, 302, 371, 424, 491, 604, 742, 848, 982, 1057, 1208, 1484, 1964, 2114, 2416, 2968, 3437, 3928, 4228, 5936, 6874, 7856, 8003, 8456, 13748, 16006, 16912, 26023, 27496, 32012, 52046, 54992, 56021, 64024, 74141, 104092, 112042, 128048, 148282, 182161, 208184, 224084, 296564, 364322, 416368, 448168, 518987, 593128, 728644, 896336, 1037974, 1186256, 1457288, 2075948, 2914576, 3929473, 4151896, 7858946, 8303792, 15717892, 27506311, 31435784, 55012622, 62871568, 110025244, 220050488, 440100976]

約数ペア:

[(1, 440100976), (2, 220050488), (4, 110025244), (7, 62871568), (8, 55012622), (14, 31435784), (16, 27506311), (28, 15717892), (53, 8303792), (56, 7858946), (106, 4151896), (112, 3929473), (151, 2914576), (212, 2075948), (302, 1457288), (371, 1186256), (424, 1037974), (491, 896336), (604, 728644), (742, 593128), (848, 518987), (982, 448168), (1057, 416368), (1208, 364322), (1484, 296564), (1964, 224084), (2114, 208184), (2416, 182161), (2968, 148282), (3437, 128048), (3928, 112042), (4228, 104092), (5936, 74141), (6874, 64024), (7856, 56021), (8003, 54992), (8456, 52046), (13748, 32012), (16006, 27496), (16912, 26023)]