29886740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 68584320

約数和(自身を除く): 38697580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1619, 1846, 3238, 3692, 4615, 6476, 8095, 9230, 16190, 18460, 21047, 32380, 42094, 84188, 105235, 114949, 210470, 229898, 420940, 459796, 574745, 1149490, 1494337, 2298980, 2988674, 5977348, 7471685, 14943370, 29886740]

約数ペア:

[(1, 29886740), (2, 14943370), (4, 7471685), (5, 5977348), (10, 2988674), (13, 2298980), (20, 1494337), (26, 1149490), (52, 574745), (65, 459796), (71, 420940), (130, 229898), (142, 210470), (260, 114949), (284, 105235), (355, 84188), (710, 42094), (923, 32380), (1420, 21047), (1619, 18460), (1846, 16190), (3238, 9230), (3692, 8095), (4615, 6476)]