About the Number

1389631728

1389631727 ← → 1389631729

2進数表記:1010010110101000001100011110000

漢数字表記:十三億八千九百六十三万千七百二十八

素因数分解:

2 4 × 3 1 × 19 1 × 61 1 × 24979 1

素因数の和:25070
約数の個数: 80
約数和(自身を含む): 3840924800
約数和(自身を除く): 2451293072

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 61, 76, 114, 122, 152, 183, 228, 244, 304, 366, 456, 488, 732, 912, 976, 1159, 1464, 2318, 2928, 3477, 4636, 6954, 9272, 13908, 18544, 24979, 27816, 49958, 55632, 74937, 99916, 149874, 199832, 299748, 399664, 474601, 599496, 949202, 1198992, 1423803, 1523719, 1898404, 2847606, 3047438, 3796808, 4571157, 5695212, 6094876, 7593616, 9142314, 11390424, 12189752, 18284628, 22780848, 24379504, 28950661, 36569256, 57901322, 73138512, 86851983, 115802644, 173703966, 231605288, 347407932, 463210576, 694815864, 1389631728]

約数ペア:
[(1, 1389631728), (2, 694815864), (3, 463210576), (4, 347407932), (6, 231605288), (8, 173703966), (12, 115802644), (16, 86851983), (19, 73138512), (24, 57901322), (38, 36569256), (48, 28950661), (57, 24379504), (61, 22780848), (76, 18284628), (114, 12189752), (122, 11390424), (152, 9142314), (183, 7593616), (228, 6094876), (244, 5695212), (304, 4571157), (366, 3796808), (456, 3047438), (488, 2847606), (732, 1898404), (912, 1523719), (976, 1423803), (1159, 1198992), (1464, 949202), (2318, 599496), (2928, 474601), (3477, 399664), (4636, 299748), (6954, 199832), (9272, 149874), (13908, 99916), (18544, 74937), (24979, 55632), (27816, 49958)]

このpageの処理時間: 0.42664647102355957 seconds