40454988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 111004992

約数和(自身を除く): 70550004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 107, 147, 196, 214, 294, 321, 428, 588, 642, 643, 749, 1284, 1286, 1498, 1929, 2247, 2572, 2996, 3858, 4494, 4501, 5243, 7716, 8988, 9002, 10486, 13503, 15729, 18004, 20972, 27006, 31458, 31507, 54012, 62916, 63014, 68801, 94521, 126028, 137602, 189042, 206403, 275204, 378084, 412806, 481607, 825612, 963214, 1444821, 1926428, 2889642, 3371249, 5779284, 6742498, 10113747, 13484996, 20227494, 40454988]

約数ペア:

[(1, 40454988), (2, 20227494), (3, 13484996), (4, 10113747), (6, 6742498), (7, 5779284), (12, 3371249), (14, 2889642), (21, 1926428), (28, 1444821), (42, 963214), (49, 825612), (84, 481607), (98, 412806), (107, 378084), (147, 275204), (196, 206403), (214, 189042), (294, 137602), (321, 126028), (428, 94521), (588, 68801), (642, 63014), (643, 62916), (749, 54012), (1284, 31507), (1286, 31458), (1498, 27006), (1929, 20972), (2247, 18004), (2572, 15729), (2996, 13503), (3858, 10486), (4494, 9002), (4501, 8988), (5243, 7716)]