42894970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{563}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 81622080

約数和(自身を除く): 38727110

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 401, 563, 802, 1126, 2005, 2815, 4010, 5630, 7619, 10697, 15238, 21394, 38095, 53485, 76190, 106970, 225763, 451526, 1128815, 2257630, 4289497, 8578994, 21447485, 42894970]

約数ペア:

[(1, 42894970), (2, 21447485), (5, 8578994), (10, 4289497), (19, 2257630), (38, 1128815), (95, 451526), (190, 225763), (401, 106970), (563, 76190), (802, 53485), (1126, 38095), (2005, 21394), (2815, 15238), (4010, 10697), (5630, 7619)]