4458740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1592

約数の個数: 48

約数和(自身を含む): 11007360

約数和(自身を除く): 6548620

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 1559, 2860, 3118, 6236, 7795, 15590, 17149, 20267, 31180, 34298, 40534, 68596, 81068, 85745, 101335, 171490, 202670, 222937, 342980, 405340, 445874, 891748, 1114685, 2229370, 4458740]

約数ペア:

[(1, 4458740), (2, 2229370), (4, 1114685), (5, 891748), (10, 445874), (11, 405340), (13, 342980), (20, 222937), (22, 202670), (26, 171490), (44, 101335), (52, 85745), (55, 81068), (65, 68596), (110, 40534), (130, 34298), (143, 31180), (220, 20267), (260, 17149), (286, 15590), (572, 7795), (715, 6236), (1430, 3118), (1559, 2860)]