220154620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{68371}}^1$

素因数の和:68410

約数の個数: 48

約数和(自身を含む): 551351808

約数和(自身を除く): 331197188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 68371, 136742, 273484, 341855, 478597, 683710, 957194, 1367420, 1572533, 1914388, 2392985, 3145066, 4785970, 6290132, 7862665, 9571940, 11007731, 15725330, 22015462, 31450660, 44030924, 55038655, 110077310, 220154620]

約数ペア:

[(1, 220154620), (2, 110077310), (4, 55038655), (5, 44030924), (7, 31450660), (10, 22015462), (14, 15725330), (20, 11007731), (23, 9571940), (28, 7862665), (35, 6290132), (46, 4785970), (70, 3145066), (92, 2392985), (115, 1914388), (140, 1572533), (161, 1367420), (230, 957194), (322, 683710), (460, 478597), (644, 341855), (805, 273484), (1610, 136742), (3220, 68371)]