155212540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{4091}}^1$

素因数の和:4378

約数の個数: 48

約数和(自身を含む): 373976064

約数和(自身を除く): 218763524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1084, 1355, 1897, 2710, 3794, 4091, 5420, 7588, 8182, 9485, 16364, 18970, 20455, 28637, 37940, 40910, 57274, 81820, 114548, 143185, 286370, 572740, 1108661, 2217322, 4434644, 5543305, 7760627, 11086610, 15521254, 22173220, 31042508, 38803135, 77606270, 155212540]

約数ペア:

[(1, 155212540), (2, 77606270), (4, 38803135), (5, 31042508), (7, 22173220), (10, 15521254), (14, 11086610), (20, 7760627), (28, 5543305), (35, 4434644), (70, 2217322), (140, 1108661), (271, 572740), (542, 286370), (1084, 143185), (1355, 114548), (1897, 81820), (2710, 57274), (3794, 40910), (4091, 37940), (5420, 28637), (7588, 20455), (8182, 18970), (9485, 16364)]