1640346730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{244463}}^1$

素因数の和:244542

約数の個数: 32

約数和(自身を含む): 3273861888

約数和(自身を除く): 1633515158

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 6710, 244463, 488926, 1222315, 2444630, 2689093, 5378186, 13445465, 14912243, 26890930, 29824486, 74561215, 149122430, 164034673, 328069346, 820173365, 1640346730]

約数ペア:

[(1, 1640346730), (2, 820173365), (5, 328069346), (10, 164034673), (11, 149122430), (22, 74561215), (55, 29824486), (61, 26890930), (110, 14912243), (122, 13445465), (305, 5378186), (610, 2689093), (671, 2444630), (1342, 1222315), (3355, 488926), (6710, 244463)]