201980870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{221957}}^1$

素因数の和:221984

約数の個数: 32

約数和(自身を含む): 447467328

約数和(自身を除く): 245486458

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 221957, 443914, 1109785, 1553699, 2219570, 2885441, 3107398, 5770882, 7768495, 14427205, 15536990, 20198087, 28854410, 40396174, 100990435, 201980870]

約数ペア:

[(1, 201980870), (2, 100990435), (5, 40396174), (7, 28854410), (10, 20198087), (13, 15536990), (14, 14427205), (26, 7768495), (35, 5770882), (65, 3107398), (70, 2885441), (91, 2219570), (130, 1553699), (182, 1109785), (455, 443914), (910, 221957)]