39449140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 87091200

約数和(自身を除く): 47642060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 191, 230, 382, 449, 460, 764, 898, 955, 1796, 1910, 2245, 3820, 4393, 4490, 8786, 8980, 10327, 17572, 20654, 21965, 41308, 43930, 51635, 85759, 87860, 103270, 171518, 206540, 343036, 428795, 857590, 1715180, 1972457, 3944914, 7889828, 9862285, 19724570, 39449140]

約数ペア:

[(1, 39449140), (2, 19724570), (4, 9862285), (5, 7889828), (10, 3944914), (20, 1972457), (23, 1715180), (46, 857590), (92, 428795), (115, 343036), (191, 206540), (230, 171518), (382, 103270), (449, 87860), (460, 85759), (764, 51635), (898, 43930), (955, 41308), (1796, 21965), (1910, 20654), (2245, 17572), (3820, 10327), (4393, 8980), (4490, 8786)]