4339580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 10536960

約数和(自身を除く): 6197380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 223, 278, 446, 556, 695, 892, 973, 1115, 1390, 1561, 1946, 2230, 2780, 3122, 3892, 4460, 4865, 6244, 7805, 9730, 15610, 19460, 30997, 31220, 61994, 123988, 154985, 216979, 309970, 433958, 619940, 867916, 1084895, 2169790, 4339580]

約数ペア:

[(1, 4339580), (2, 2169790), (4, 1084895), (5, 867916), (7, 619940), (10, 433958), (14, 309970), (20, 216979), (28, 154985), (35, 123988), (70, 61994), (139, 31220), (140, 30997), (223, 19460), (278, 15610), (446, 9730), (556, 7805), (695, 6244), (892, 4865), (973, 4460), (1115, 3892), (1390, 3122), (1561, 2780), (1946, 2230)]