27879940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{359}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 64229760

約数和(自身を除く): 36349820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 353, 359, 706, 718, 1412, 1436, 1765, 1795, 3530, 3590, 3883, 3949, 7060, 7180, 7766, 7898, 15532, 15796, 19415, 19745, 38830, 39490, 77660, 78980, 126727, 253454, 506908, 633635, 1267270, 1393997, 2534540, 2787994, 5575988, 6969985, 13939970, 27879940]

約数ペア:

[(1, 27879940), (2, 13939970), (4, 6969985), (5, 5575988), (10, 2787994), (11, 2534540), (20, 1393997), (22, 1267270), (44, 633635), (55, 506908), (110, 253454), (220, 126727), (353, 78980), (359, 77660), (706, 39490), (718, 38830), (1412, 19745), (1436, 19415), (1765, 15796), (1795, 15532), (3530, 7898), (3590, 7766), (3883, 7180), (3949, 7060)]