71591620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 159042240

約数和(自身を除く): 87450620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 293, 380, 586, 643, 1172, 1286, 1465, 2572, 2930, 3215, 5567, 5860, 6430, 11134, 12217, 12860, 22268, 24434, 27835, 48868, 55670, 61085, 111340, 122170, 188399, 244340, 376798, 753596, 941995, 1883990, 3579581, 3767980, 7159162, 14318324, 17897905, 35795810, 71591620]

約数ペア:

[(1, 71591620), (2, 35795810), (4, 17897905), (5, 14318324), (10, 7159162), (19, 3767980), (20, 3579581), (38, 1883990), (76, 941995), (95, 753596), (190, 376798), (293, 244340), (380, 188399), (586, 122170), (643, 111340), (1172, 61085), (1286, 55670), (1465, 48868), (2572, 27835), (2930, 24434), (3215, 22268), (5567, 12860), (5860, 12217), (6430, 11134)]