289969220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{353621}}^1$

素因数の和:353671

約数の個数: 24

約数和(自身を含む): 623789208

約数和(自身を除く): 333819988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 353621, 707242, 1414484, 1768105, 3536210, 7072420, 14498461, 28996922, 57993844, 72492305, 144984610, 289969220]

約数ペア:

[(1, 289969220), (2, 144984610), (4, 72492305), (5, 57993844), (10, 28996922), (20, 14498461), (41, 7072420), (82, 3536210), (164, 1768105), (205, 1414484), (410, 707242), (820, 353621)]