890256688

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 1811134080

約数和(自身を除く): 920877392

約数列:

[1, 2, 4, 8, 16, 53, 79, 97, 106, 137, 158, 194, 212, 274, 316, 388, 424, 548, 632, 776, 848, 1096, 1264, 1552, 2192, 4187, 5141, 7261, 7663, 8374, 10282, 10823, 13289, 14522, 15326, 16748, 20564, 21646, 26578, 29044, 30652, 33496, 41128, 43292, 53156, 58088, 61304, 66992, 82256, 86584, 106312, 116176, 122608, 173168, 212624, 406139, 573619, 704317, 812278, 1049831, 1147238, 1408634, 1624556, 2099662, 2294476, 2817268, 3249112, 4199324, 4588952, 5634536, 6498224, 8398648, 9177904, 11269072, 16797296, 55641043, 111282086, 222564172, 445128344, 890256688]

約数ペア:

[(1, 890256688), (2, 445128344), (4, 222564172), (8, 111282086), (16, 55641043), (53, 16797296), (79, 11269072), (97, 9177904), (106, 8398648), (137, 6498224), (158, 5634536), (194, 4588952), (212, 4199324), (274, 3249112), (316, 2817268), (388, 2294476), (424, 2099662), (548, 1624556), (632, 1408634), (776, 1147238), (848, 1049831), (1096, 812278), (1264, 704317), (1552, 573619), (2192, 406139), (4187, 212624), (5141, 173168), (7261, 122608), (7663, 116176), (8374, 106312), (10282, 86584), (10823, 82256), (13289, 66992), (14522, 61304), (15326, 58088), (16748, 53156), (20564, 43292), (21646, 41128), (26578, 33496), (29044, 30652)]