340047295

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{659}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 488125440

約数和(自身を除く): 148078145

約数列:

[1, 5, 7, 23, 35, 115, 161, 641, 659, 805, 3205, 3295, 4487, 4613, 14743, 15157, 22435, 23065, 73715, 75785, 103201, 106099, 422419, 516005, 530495, 2112095, 2956933, 9715637, 14784665, 48578185, 68009459, 340047295]

約数ペア:

[(1, 340047295), (5, 68009459), (7, 48578185), (23, 14784665), (35, 9715637), (115, 2956933), (161, 2112095), (641, 530495), (659, 516005), (805, 422419), (3205, 106099), (3295, 103201), (4487, 75785), (4613, 73715), (14743, 23065), (15157, 22435)]