30810856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3323}}^1$

素因数の和:3409

約数の個数: 32

約数和(自身を含む): 61826400

約数和(自身を除く): 31015544

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 3323, 4636, 6646, 9272, 13292, 26584, 63137, 126274, 202703, 252548, 405406, 505096, 810812, 1621624, 3851357, 7702714, 15405428, 30810856]

約数ペア:

[(1, 30810856), (2, 15405428), (4, 7702714), (8, 3851357), (19, 1621624), (38, 810812), (61, 505096), (76, 405406), (122, 252548), (152, 202703), (244, 126274), (488, 63137), (1159, 26584), (2318, 13292), (3323, 9272), (4636, 6646)]