178050460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20849}}^1$

素因数の和:20926

約数の個数: 48

約数和(自身を含む): 434347200

約数和(自身を除く): 256296740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 20849, 41698, 83396, 104245, 145943, 208490, 291886, 416980, 583772, 729715, 1271789, 1459430, 2543578, 2918860, 5087156, 6358945, 8902523, 12717890, 17805046, 25435780, 35610092, 44512615, 89025230, 178050460]

約数ペア:

[(1, 178050460), (2, 89025230), (4, 44512615), (5, 35610092), (7, 25435780), (10, 17805046), (14, 12717890), (20, 8902523), (28, 6358945), (35, 5087156), (61, 2918860), (70, 2543578), (122, 1459430), (140, 1271789), (244, 729715), (305, 583772), (427, 416980), (610, 291886), (854, 208490), (1220, 145943), (1708, 104245), (2135, 83396), (4270, 41698), (8540, 20849)]