136570480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89849}}^1$

素因数の和:89881

約数の個数: 40

約数和(自身を含む): 334242000

約数和(自身を除く): 197671520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 89849, 179698, 359396, 449245, 718792, 898490, 1437584, 1707131, 1796980, 3414262, 3593960, 6828524, 7187920, 8535655, 13657048, 17071310, 27314096, 34142620, 68285240, 136570480]

約数ペア:

[(1, 136570480), (2, 68285240), (4, 34142620), (5, 27314096), (8, 17071310), (10, 13657048), (16, 8535655), (19, 7187920), (20, 6828524), (38, 3593960), (40, 3414262), (76, 1796980), (80, 1707131), (95, 1437584), (152, 898490), (190, 718792), (304, 449245), (380, 359396), (760, 179698), (1520, 89849)]