217897410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{87509}}^1$

素因数の和:87602

約数の個数: 32

約数和(自身を含む): 529260480

約数和(自身を除く): 311363070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 87509, 175018, 262527, 437545, 525054, 875090, 1312635, 2625270, 7263247, 14526494, 21789741, 36316235, 43579482, 72632470, 108948705, 217897410]

約数ペア:

[(1, 217897410), (2, 108948705), (3, 72632470), (5, 43579482), (6, 36316235), (10, 21789741), (15, 14526494), (30, 7263247), (83, 2625270), (166, 1312635), (249, 875090), (415, 525054), (498, 437545), (830, 262527), (1245, 175018), (2490, 87509)]