840428176

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{77359}}^1$

素因数の和:77471

約数の個数: 40

約数和(自身を含む): 1880157440

約数和(自身を除く): 1039729264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 77359, 154718, 309436, 541513, 618872, 1083026, 1237744, 2166052, 4332104, 7503823, 8664208, 15007646, 30015292, 52526761, 60030584, 105053522, 120061168, 210107044, 420214088, 840428176]

約数ペア:

[(1, 840428176), (2, 420214088), (4, 210107044), (7, 120061168), (8, 105053522), (14, 60030584), (16, 52526761), (28, 30015292), (56, 15007646), (97, 8664208), (112, 7503823), (194, 4332104), (388, 2166052), (679, 1237744), (776, 1083026), (1358, 618872), (1552, 541513), (2716, 309436), (5432, 154718), (10864, 77359)]