1277263750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2393}}^1$

素因数の和:2483

約数の個数: 80

約数和(自身を含む): 2782134432

約数和(自身を除く): 1504870682

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 125, 175, 250, 305, 350, 427, 610, 625, 854, 875, 1250, 1525, 1750, 2135, 2393, 3050, 4270, 4375, 4786, 7625, 8750, 10675, 11965, 15250, 16751, 21350, 23930, 33502, 38125, 53375, 59825, 76250, 83755, 106750, 119650, 145973, 167510, 266875, 291946, 299125, 418775, 533750, 598250, 729865, 837550, 1021811, 1459730, 1495625, 2043622, 2093875, 2991250, 3649325, 4187750, 5109055, 7298650, 10218110, 10469375, 18246625, 20938750, 25545275, 36493250, 51090550, 91233125, 127726375, 182466250, 255452750, 638631875, 1277263750]

約数ペア:

[(1, 1277263750), (2, 638631875), (5, 255452750), (7, 182466250), (10, 127726375), (14, 91233125), (25, 51090550), (35, 36493250), (50, 25545275), (61, 20938750), (70, 18246625), (122, 10469375), (125, 10218110), (175, 7298650), (250, 5109055), (305, 4187750), (350, 3649325), (427, 2991250), (610, 2093875), (625, 2043622), (854, 1495625), (875, 1459730), (1250, 1021811), (1525, 837550), (1750, 729865), (2135, 598250), (2393, 533750), (3050, 418775), (4270, 299125), (4375, 291946), (4786, 266875), (7625, 167510), (8750, 145973), (10675, 119650), (11965, 106750), (15250, 83755), (16751, 76250), (21350, 59825), (23930, 53375), (33502, 38125)]